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Tsumbay Firm Support Coccyx Cushion for Office Chair - Orthopedic Memory Foam XL Size 18 5 x16 5

★ 4.3 · 4,539 ratings
$59.98

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Tsumbay Firm Support Coccyx Cushion for Office Chair - Orthopedic Memory Foam XL Size 18 5 x16 5, $59.98, Availability unknown. Image 1 of 9.

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Tsumbay Firm Support Coccyx Cushion for Office Chair - Orthopedic Memory Foam XL Size 18 5 x16 5
SKU
JC21621
Explore product details ↓

Source specifications

Brand
Tsumbay
Special Feature
Removable Cover
Color
Black
Size
18.5”X16.5”X3.14”
Fill Material
Memory Foam
Shape
Square
Age Range (Description)
Adult
Recommended Uses For Product
Sitting
Use for
Buttocks
Material
Memory Foam
Item Firmness Description
Soft
Product Dimensions
18.5"L x 16.54"W
Product Care Instructions
Machine Wash
Number of Pieces
1
Pattern
Solid
Material Feature
Breathable
Variety
Memory Foam,Seat Cushion
Fabric Type
Cotton
Model Name
TsumbayCC03
UPC
659675264677
Manufacturer
Tsumbay
Unit Count
1.0 Count
Item Weight
1.98 pounds
ASIN
B08XQ1ZB3J
Item model number
Tsumbay-CC03-large size
Customer Reviews
4.3 4.3 out of 5 stars (4,539) 4.3 out of 5 stars
Best Sellers Rank
#96,051 in Health & Household ( See Top 100 in Health & Household ) #77 in Wheelchair & Mobility Scooter Cushions
Refill
Memory Foam
Batteries required
No

The details

About this item

Product description Previous page Next page 1 Without Seat Cushion 2 Before - After Previous page Next page 1 Memory Foam Cushion 2 Ergonomic Design 3 Anti-slip Bottom 4 Carrying Handle 5 Choose the Size Previous page Next page Cotton; 【XL Size for Greater Coverage】A solution designed for larger seats. With increased dimensions of 18.5” x 16.5” x 3.14”, it provides a more expansive seating surface for office chairs, car seats (especially trucks/SUVs), and wheelchairs, effectively addressing the "too small" issue and ensuring full support for the tailbone area.; 【Secure Non-Slip Base & Contouring Support】Features a non-slip PU leather bottom to stay firmly in place on smooth chair surfaces. The high-density memory foam core conforms to your body's curves, evenly distributing pressure to provide steady, supportive comfort—not a soft, sinking feel—for prolonged sitting.; 【Enhanced Support for Multiple Settings】As an XL, extra-thick support cushion, it focuses on delivering upgraded stability Materials: Memory Foam. Rated 4.3 out of 5. Customers find the cushion comfortable, with one mentioning it's great for elderly use, and appreciate its perfect amount of padding that feels like a p

  • Cotton
  • 【XL Size for Greater Coverage】A solution designed for larger seats. With increased dimensions of 18.5” x 16.5” x 3.14”, it provides a more expansive seating surface for office chairs, car seats (especially trucks/SUVs), and wheelchairs, effectively addressing the "too small" issue and ensuring full support for the tailbone area.
  • 【Secure Non-Slip Base & Contouring Support】Features a non-slip PU leather bottom to stay firmly in place on smooth chair surfaces. The high-density memory foam core conforms to your body's curves, evenly distributing pressure to provide steady, supportive comfort—not a soft, sinking feel—for prolonged sitting.
  • 【Enhanced Support for Multiple Settings】As an XL, extra-thick support cushion, it focuses on delivering upgraded stability for larger seats. Whether for a big office chair, a car seat during long drives, or a wheelchair needing additional pressure relief, it offers more complete coverage and stronger support.
  • 【Portable & Washable – Important Note】Includes a convenient carry handle for easy portability. The cover is removable and machine washable for simple maintenance. Please note: Memory foam is temperature-sensitive; it may feel firmer in cooler environments and will gradually soften and conform as it adjusts to room temperature and body heat.
  • 【Designed for Spacious, Stable Comfort】The core value of this product lies in "greater coverage area" and "more secure, non-slip placement." It is designed for users seeking a spacious sitting feel or those using larger seats, providing a solid solution that stays firmly in place and offers comprehensive support.

Product information

Materials and care

Fill Material
Memory Foam
Material
Memory Foam
Product Care Instructions
Machine Wash
Material Feature
Breathable
Fabric Type
Cotton

From the manufacturer

Product details and media

Product description Previous page Next page 1 Without Seat Cushion 2 Before - After Previous page Next page 1 Memory Foam Cushion 2 Ergonomic Design 3 Anti-slip Bottom 4 Carrying Handle 5 Choose the Size Previous page Next page

Highlights: Cotton 【XL Size for Greater Coverage】A solution designed for larger seats. With increased dimensions of 18.5” x 16.5” x 3.14”, it provides a more expansive seating surface for office chairs, car seats (especially trucks/SUVs), and wheelchairs, effectively addressing the "too small" issue and ensuring full support for the tailbone area. 【Secure Non-Slip Base & Contouring Support】Features a non-slip PU leather bottom to stay firmly in place on smooth chair surfaces. The high-density memory foam core conforms to your body's curves, evenly distributing pressure to provide steady, supportive comfort—not a soft, sinking feel—for prolonged sitting. 【Enhanced Support for Multiple Settings】As an XL, extra-thick support cushion, it focuses on delivering upgraded stability for larger seats. Whether for a big office chair, a car seat during long drives, or a wheelchair needing additional pressure relief, it offers more complete coverage and stronger support. 【Portable & Washable – Important Note】Includes a convenient carry handle for easy portability. The cover is removable and machine washable for simple maintenance. Please note: Memory foam is temperature-sensitive; it may feel firmer in cooler environments and will gradually soften and conform as it adjusts to room temperature and body heat. 【Designed for Spacious, Stable Comfort】The core value of this product lies in "greater coverage area" and "more secure, non-slip placement." It is designed for users seeking a spacious sitting

Key details: Brand: Tsumbay | Special Feature: Removable Cover | Color: Black | Size: 18.5”X16.5”X3.14” | Fill Material: Memory Foam | Shape: Square | Age Range (Description): Adult | Recommended Uses For Product: Sitting | Use for: Buttocks | Material: Memory Foam

Materials and feel: Memory Foam.

Sizes may include: S, M, L, XL.

Customer feedback: 4.3/5 average rating.

Customers say: Customers find the cushion comfortable, with one mentioning it's great for elderly use, and appreciate its perfect amount of padding that feels like a pillow.

Review snippets: Super soft but supportive, comfy and looks to be made well. Read more / Needed some more support with desk chair My chair is now very soft and comfortable Wished it came in lighter color but covered it for nicer look Read more

Product description Previous page Next page 1 Without Seat Cushion 2 Before - After Previous page Next page 1 Memory Foam Cushion 2 Ergonomic Design 3 Anti-slip Bottom 4 Carrying Handle 5 Choose the Size Previous page Next page

Tsumbay Firm Support Coccyx Cushion for Office Chair - Orthopedic Memory Foam XL Size 18 5 x16 5 — product detail 1Tsumbay Firm Support Coccyx Cushion for Office Chair - Orthopedic Memory Foam XL Size 18 5 x16 5 — product detail 2Tsumbay Firm Support Coccyx Cushion for Office Chair - Orthopedic Memory Foam XL Size 18 5 x16 5 — product detail 3Tsumbay Firm Support Coccyx Cushion for Office Chair - Orthopedic Memory Foam XL Size 18 5 x16 5 — product detail 4Tsumbay Firm Support Coccyx Cushion for Office Chair - Orthopedic Memory Foam XL Size 18 5 x16 5 — product detail 5Tsumbay Firm Support Coccyx Cushion for Office Chair - Orthopedic Memory Foam XL Size 18 5 x16 5 — product detail 6Tsumbay Firm Support Coccyx Cushion for Office Chair - Orthopedic Memory Foam XL Size 18 5 x16 5 — product detail 7Tsumbay Firm Support Coccyx Cushion for Office Chair - Orthopedic Memory Foam XL Size 18 5 x16 5 — product detail 8Tsumbay Firm Support Coccyx Cushion for Office Chair - Orthopedic Memory Foam XL Size 18 5 x16 5 — product detail 9Tsumbay Firm Support Coccyx Cushion for Office Chair - Orthopedic Memory Foam XL Size 18 5 x16 5 — product detail 10Tsumbay Firm Support Coccyx Cushion for Office Chair - Orthopedic Memory Foam XL Size 18 5 x16 5 — product detail 11Tsumbay Firm Support Coccyx Cushion for Office Chair - Orthopedic Memory Foam XL Size 18 5 x16 5 — product detail 12Tsumbay Firm Support Coccyx Cushion for Office Chair - Orthopedic Memory Foam XL Size 18 5 x16 5 — product detail 13Tsumbay Firm Support Coccyx Cushion for Office Chair - Orthopedic Memory Foam XL Size 18 5 x16 5 — product detail 14Tsumbay Firm Support Coccyx Cushion for Office Chair - Orthopedic Memory Foam XL Size 18 5 x16 5 — product detail 15Tsumbay Firm Support Coccyx Cushion for Office Chair - Orthopedic Memory Foam XL Size 18 5 x16 5 — product detail 16Tsumbay Firm Support Coccyx Cushion for Office Chair - Orthopedic Memory Foam XL Size 18 5 x16 5 — product detail 17Tsumbay Firm Support Coccyx Cushion for Office Chair - Orthopedic Memory Foam XL Size 18 5 x16 5 — product detail 18Tsumbay Firm Support Coccyx Cushion for Office Chair - Orthopedic Memory Foam XL Size 18 5 x16 5 — product detail 19Tsumbay Firm Support Coccyx Cushion for Office Chair - Orthopedic Memory Foam XL Size 18 5 x16 5 — product detail 20

Customer feedback

Customer ratings

4.3 out of 5

4,539 ratings

Customers find the cushion comfortable, with one mentioning it's great for elderly use, and appreciate its perfect amount of padding that feels like a pillow.

Chico

5.0 out of 5 stars Very nice

Rating: 5

January 5, 2026

Super soft but supportive, comfy and looks to be made well. Read more

ML D

5.0 out of 5 stars Perfect for desk chair

Rating: 5

November 26, 2025

Needed some more support with desk chair My chair is now very soft and comfortable Wished it came in lighter color but covered it for nicer look Read more

Customer review imageCustomer review image

doglover

4.0 out of 5 stars I've bought four...you might say I'm very satisfied THEY DO FLATTEN OUT OVER TIME

Rating: 4

May 2, 2022

Bought my first (smaller) one in March of last year (today is May 2). Bought my second (smaller) one in June of last year. Just bought a third (smaller) one and a large one this month. These are great. The smaller ones are used daily on plain wooden chairs and those from last year have not flattened at all as far as I can tell (structural problems and sensitive tissues). The larger one is for an upholstered chair that I need to add a bit of height to so that its leg rest isn't too high. I haven't noticed any odors with any of these nor any ridge down the middle, as some reviews state. I find the material on top to be very comfortable (I sometimes sit around in undies and appreciate the good skin feel) and I haven't noticed the seat feeling warm. I recommend them. UPDATE: The one I use constantly has flattened out to the point where I am now in search of another one. If I can't find a brand with better reviews, I will repurchase. It was really comfortable until it started to get fatigued. Read more

R4LDZ ✅

5.0 out of 5 stars Very comfortable and cool

Rating: 5

September 27, 2020

I spend several hours in front of a computer every day, and often it gets a little uncomfortable when my seat gets warm or bottomed out. So, I decided to look for an extra cushion to make it a little more comfortable. This product was at a good price when I got it and one of the cheapest, so I decided to get it. The product came in just a vacuum sealed plastic. Once the plastic is removed, the seat cushion expands to its normal form. Immediately I noticed how soft the memory foam is, it is soft enough to even use as a pillow. The fabric cover is breathable and lets air pass through efficiently. It also has a zipper to remove the foam out to easily wash the fabric cover. I’ve been using this seat cushion while gaming, and I noticed that I don’t sweat that much anymore down there. I usually take quick breaks every 30 minutes to let my skin breathe, but now I can sit longer comfortably. Even if I sit several hours, once I get up, the seat cushion expands again to its original form. Very good quality. Overall, I’m glad that I bought this seat cushion, I now can play my video games longer comfortably. The memory foam quality is excellent and can last a long time. If you are looking for more comfort in your office chair, don’t buy a new chair, just grab one of this seat cushions. Read more

Customer review imageCustomer review imageCustomer review imageCustomer review image

Blue Q

5.0 out of 5 stars HEAVEN!!

Rating: 5

June 22, 2023

Ever since the beginning of the pandemic where we had to work from home, I have been trying all sorts of chairs, cushions, etc. I am like the goldilocks of chairs. I went through at the very least 4 office chairs and at least that many seat cushions. They would be okay for a little bit and then they would start to hurt my bottom. My thighs, my butt... I would practice standing up and moving around, using footrests. YOU name it I tried it. The chairs were not cheap yet I could not bring myself to buy an Aeron office chair. TOP of the line. I have one at work. Well I found them on sale for considerably less, so I bought one and then I needed a good cushion --- tried the gel ones, etc. FINALLY this one! PERFECTION. Soft and comfortable. I am in heaven. I don't care how long it lasts -- I will buy another one. After 3 years search I found what my body needed. The perfect combination. DID I mention I was in heaven?? Read more

B

3.0 out of 5 stars Great Price + Well made

Rating: 3

August 19, 2021

Overall it's a great product at a great price. New chairs in the office and this gives it that added comfort for those long days at the desk. *Update.... The memory foam started out great and after a couple weeks of use has reduced quit a bit. Has a thick ridge in the middle of the cushion, but the main "cushion" area is much flatter, so sitting on it feels like you have a lump between your legs. It was returned and a different brand was purchased. Read more

Sean

5.0 out of 5 stars Best Cushion I Ever Owned

Rating: 5

December 1, 2025

I have a bad back and my bucket car seats are really bad on my back (especially getting in and out). I tried several cushions and this one has been amazing. I bought it 5 years ago and it's been perfect since! No flattening or any signs of wear. Read more

Leyna N. Rossi

4.0 out of 5 stars Effective, but the zipper doesn't open up enough making cleaning more difficult than it needs to be.

Rating: 4

March 2, 2022

Comfortable and prevents my butt from hurting even after many hours of sitting. I would have no complaints about it if the zipper on the covering would open up a few more inches. It would make a significant difference. As it is, you have to remove and insert the foam cushion with a decent bit of force since it's larger than the zipper opening. My advice is curl it into a bit of a U shape while you do so, and do so carefully. I could see it getting ripped if you pulled too hard although it seems fairly sturdy. Still a good product, but with minimal effort it could have easily been improved. Read more

Complete product information
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Square </td> </tr> <tr> <th class=\"a-color-secondary a-size-base prodDetSectionEntry\"> Age Range (Description) </th> <td class=\"a-size-base prodDetAttrValue\"> Adult </td> </tr> <tr> <th class=\"a-color-secondary a-size-base prodDetSectionEntry\"> Recommended Uses For Product </th> <td class=\"a-size-base prodDetAttrValue\"> Sitting </td> </tr> <tr> <th class=\"a-color-secondary a-size-base prodDetSectionEntry\"> Use for </th> <td class=\"a-size-base prodDetAttrValue\"> Buttocks </td> </tr> <tr> <th class=\"a-color-secondary a-size-base prodDetSectionEntry\"> Material </th> <td class=\"a-size-base prodDetAttrValue\"> Memory Foam </td> </tr> <tr> <th class=\"a-color-secondary a-size-base prodDetSectionEntry\"> Item Firmness Description </th> <td class=\"a-size-base prodDetAttrValue\"> Soft </td> </tr> <tr> <th class=\"a-color-secondary a-size-base prodDetSectionEntry\"> Product Dimensions </th> <td class=\"a-size-base prodDetAttrValue\"> 18.5\"L x 16.5\"W x 3.14\"H </td> </tr> <tr> <th class=\"a-color-secondary a-size-base prodDetSectionEntry\"> Product Care Instructions </th> <td class=\"a-size-base prodDetAttrValue\"> Machine Wash </td> </tr> <tr> <th class=\"a-color-secondary a-size-base prodDetSectionEntry\"> Number of Pieces </th> <td class=\"a-size-base prodDetAttrValue\"> 1 </td> </tr> <tr> <th class=\"a-color-secondary a-size-base prodDetSectionEntry\"> Pattern </th> <td class=\"a-size-base prodDetAttrValue\"> Solid </td> </tr> <tr> <th class=\"a-color-secondary a-size-base prodDetSectionEntry\"> Material Feature </th> <td class=\"a-size-base prodDetAttrValue\"> Breathable </td> </tr> <tr> <th class=\"a-color-secondary a-size-base prodDetSectionEntry\"> Variety </th> <td class=\"a-size-base prodDetAttrValue\"> Memory Foam,Seat Cushion </td> </tr> <tr> <th class=\"a-color-secondary a-size-base prodDetSectionEntry\"> Fabric Type </th> <td class=\"a-size-base prodDetAttrValue\"> Cotton </td> </tr> <tr> <th class=\"a-color-secondary a-size-base prodDetSectionEntry\"> Model Name </th> <td class=\"a-size-base prodDetAttrValue\"> TsumbayCC03 </td> </tr> <tr> <th class=\"a-color-secondary a-size-base prodDetSectionEntry\"> UPC </th> <td class=\"a-size-base prodDetAttrValue\"> 659675264677 </td> </tr> <tr> <th class=\"a-color-secondary a-size-base prodDetSectionEntry\"> Manufacturer </th> <td class=\"a-size-base prodDetAttrValue\"> Tsumbay </td> </tr> <tr> <th class=\"a-color-secondary a-size-base prodDetSectionEntry\"> Product Dimensions </th> <td class=\"a-size-base prodDetAttrValue\"> 18.5\"L x 16.54\"W </td> </tr> <tr> <th class=\"a-color-secondary a-size-base prodDetSectionEntry\"> Unit Count </th> <td class=\"a-size-base prodDetAttrValue\"> 1.0 Count </td> </tr> <tr> <th class=\"a-color-secondary a-size-base prodDetSectionEntry\"> Item Weight </th> <td class=\"a-size-base prodDetAttrValue\"> 1.98 pounds </td> </tr> <tr> <th class=\"a-color-secondary a-size-base prodDetSectionEntry\"> ASIN </th> <td class=\"a-size-base prodDetAttrValue\"> B08XQ1ZB3J </td> </tr> <tr> <th class=\"a-color-secondary a-size-base prodDetSectionEntry\"> Item model number </th> <td class=\"a-size-base prodDetAttrValue\"> Tsumbay-CC03-large size </td> </tr> <tr> <th class=\"a-color-secondary a-size-base prodDetSectionEntry\">Customer Reviews</th> <td class=\"a-size-base\"> <div data-asin=\"B08XQ1ZB3J\" data-ref=\"dpx_acr_pop_\" id=\"averageCustomerReviews\">\n<span class=\"a-declarative\" data-acrstarslink-click-metrics=\"{}\" data-action=\"acrStarsLink-click-metrics\"> <span class=\"reviewCountTextLinkedHistogram noUnderline\" id=\"acrPopover\" title=\"4.3 out of 5 stars\">\n<span class=\"a-declarative\" data-a-popover='{\"position\":\"triggerBottom\",\"popoverLabel\":\"Customer Reviews Ratings Summary\",\"max-width\":\"700\",\"closeButton\":\"true\",\"closeButtonLabel\":\"Close\",\"url\":\"/gp/customer-reviews/widgets/average-customer-review/popover/ref=dpx_acr_pop_?contextId=dpx&amp;asin=B08XQ1ZB3J\"}' 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    }
  },
  "reviews": {
    "average_rating": 4.3,
    "customers_say": "Customers find the cushion comfortable, with one mentioning it's great for elderly use, and appreciate its perfect amount of padding that feels like a pillow.",
    "items": [
      {
        "title": "5.0 out of 5 stars Very nice",
        "body": "Super soft but supportive, comfy and looks to be made well. Read more",
        "author": "Chico",
        "rating": 5,
        "date": "January 5, 2026",
        "verified": false,
        "images": []
      },
      {
        "title": "5.0 out of 5 stars Perfect for desk chair",
        "body": "Needed some more support with desk chair My chair is now very soft and comfortable Wished it came in lighter color but covered it for nicer look Read more",
        "author": "ML D",
        "rating": 5,
        "date": "November 26, 2025",
        "verified": false,
        "images": [
          "https://m.media-amazon.com/images/I/81alhxcWEVL._SY88._SL1500_.jpg",
          "https://m.media-amazon.com/images/I/71l+zXgy0pL._SY88._SL1500_.jpg"
        ]
      },
      {
        "title": "4.0 out of 5 stars I've bought four...you might say I'm very satisfied THEY DO FLATTEN OUT OVER TIME",
        "body": "Bought my first (smaller) one in March of last year (today is May 2). Bought my second (smaller) one in June of last year. Just bought a third (smaller) one and a large one this month. These are great. The smaller ones are used daily on plain wooden chairs and those from last year have not flattened at all as far as I can tell (structural problems and sensitive tissues). The larger one is for an upholstered chair that I need to add a bit of height to so that its leg rest isn't too high. I haven't noticed any odors with any of these nor any ridge down the middle, as some reviews state. I find the material on top to be very comfortable (I sometimes sit around in undies and appreciate the good skin feel) and I haven't noticed the seat feeling warm. I recommend them. UPDATE: The one I use constantly has flattened out to the point where I am now in search of another one. If I can't find a brand with better reviews, I will repurchase. It was really comfortable until it started to get fatigued. Read more",
        "author": "doglover",
        "rating": 4,
        "date": "May 2, 2022",
        "verified": false,
        "images": []
      },
      {
        "title": "5.0 out of 5 stars Very comfortable and cool",
        "body": "I spend several hours in front of a computer every day, and often it gets a little uncomfortable when my seat gets warm or bottomed out. So, I decided to look for an extra cushion to make it a little more comfortable. This product was at a good price when I got it and one of the cheapest, so I decided to get it. The product came in just a vacuum sealed plastic. Once the plastic is removed, the seat cushion expands to its normal form. Immediately I noticed how soft the memory foam is, it is soft enough to even use as a pillow. The fabric cover is breathable and lets air pass through efficiently. It also has a zipper to remove the foam out to easily wash the fabric cover. I’ve been using this seat cushion while gaming, and I noticed that I don’t sweat that much anymore down there. I usually take quick breaks every 30 minutes to let my skin breathe, but now I can sit longer comfortably. Even if I sit several hours, once I get up, the seat cushion expands again to its original form. Very good quality. Overall, I’m glad that I bought this seat cushion, I now can play my video games longer comfortably. The memory foam quality is excellent and can last a long time. If you are looking for more comfort in your office chair, don’t buy a new chair, just grab one of this seat cushions. Read more",
        "author": "R4LDZ ✅",
        "rating": 5,
        "date": "September 27, 2020",
        "verified": false,
        "images": [
          "https://m.media-amazon.com/images/I/81TqTHsKhJL._SY88._SL1500_.jpg",
          "https://m.media-amazon.com/images/I/817GG6lkAcL._SY88._SL1500_.jpg",
          "https://m.media-amazon.com/images/I/81sYF+76w9L._SY88._SL1500_.jpg",
          "https://m.media-amazon.com/images/I/81v8Xzpt7oL._SY88._SL1500_.jpg"
        ]
      },
      {
        "title": "5.0 out of 5 stars HEAVEN!!",
        "body": "Ever since the beginning of the pandemic where we had to work from home, I have been trying all sorts of chairs, cushions, etc. I am like the goldilocks of chairs. I went through at the very least 4 office chairs and at least that many seat cushions. They would be okay for a little bit and then they would start to hurt my bottom. My thighs, my butt... I would practice standing up and moving around, using footrests. YOU name it I tried it. The chairs were not cheap yet I could not bring myself to buy an Aeron office chair. TOP of the line. I have one at work. Well I found them on sale for considerably less, so I bought one and then I needed a good cushion --- tried the gel ones, etc. FINALLY this one! PERFECTION. Soft and comfortable. I am in heaven. I don't care how long it lasts -- I will buy another one. After 3 years search I found what my body needed. The perfect combination. DID I mention I was in heaven?? Read more",
        "author": "Blue Q",
        "rating": 5,
        "date": "June 22, 2023",
        "verified": false,
        "images": []
      },
      {
        "title": "3.0 out of 5 stars Great Price + Well made",
        "body": "Overall it's a great product at a great price. New chairs in the office and this gives it that added comfort for those long days at the desk. *Update.... The memory foam started out great and after a couple weeks of use has reduced quit a bit. Has a thick ridge in the middle of the cushion, but the main \"cushion\" area is much flatter, so sitting on it feels like you have a lump between your legs. It was returned and a different brand was purchased. Read more",
        "author": "B",
        "rating": 3,
        "date": "August 19, 2021",
        "verified": false,
        "images": []
      },
      {
        "title": "5.0 out of 5 stars Best Cushion I Ever Owned",
        "body": "I have a bad back and my bucket car seats are really bad on my back (especially getting in and out). I tried several cushions and this one has been amazing. I bought it 5 years ago and it's been perfect since! No flattening or any signs of wear. Read more",
        "author": "Sean",
        "rating": 5,
        "date": "December 1, 2025",
        "verified": false,
        "images": []
      },
      {
        "title": "4.0 out of 5 stars Effective, but the zipper doesn't open up enough making cleaning more difficult than it needs to be.",
        "body": "Comfortable and prevents my butt from hurting even after many hours of sitting. I would have no complaints about it if the zipper on the covering would open up a few more inches. It would make a significant difference. As it is, you have to remove and insert the foam cushion with a decent bit of force since it's larger than the zipper opening. My advice is curl it into a bit of a U shape while you do so, and do so carefully. I could see it getting ripped if you pulled too hard although it seems fairly sturdy. Still a good product, but with minimal effort it could have easily been improved. Read more",
        "author": "Leyna N. Rossi",
        "rating": 4,
        "date": "March 2, 2022",
        "verified": false,
        "images": []
      }
    ]
  },
  "short_description": "Product description Previous page Next page 1 Without Seat Cushion 2 Before - After Previous page Next page 1 Memory Foam Cushion 2 Ergonomic Design 3 Anti-slip Bottom 4 Carrying Handle 5 Choose the Size Previous page Next page.",
  "about_this_item": "Product description Previous page Next page 1 Without Seat Cushion 2 Before - After Previous page Next page 1 Memory Foam Cushion 2 Ergonomic Design 3 Anti-slip Bottom 4 Carrying Handle 5 Choose the Size Previous page Next page Cotton; 【XL Size for Greater Coverage】A solution designed for larger seats. With increased dimensions of 18.5” x 16.5” x 3.14”, it provides a more expansive seating surface for office chairs, car seats (especially trucks/SUVs), and wheelchairs, effectively addressing the \"too small\" issue and ensuring full support for the tailbone area.; 【Secure Non-Slip Base & Contouring Support】Features a non-slip PU leather bottom to stay firmly in place on smooth chair surfaces. The high-density memory foam core conforms to your body's curves, evenly distributing pressure to provide steady, supportive comfort—not a soft, sinking feel—for prolonged sitting.; 【Enhanced Support for Multiple Settings】As an XL, extra-thick support cushion, it focuses on delivering upgraded stability Materials: Memory Foam. Rated 4.3 out of 5. Customers find the cushion comfortable, with one mentioning it's great for elderly use, and appreciate its perfect amount of padding that feels like a p",
  "long_description": "Product description Previous page Next page 1 Without Seat Cushion 2 Before - After Previous page Next page 1 Memory Foam Cushion 2 Ergonomic Design 3 Anti-slip Bottom 4 Carrying Handle 5 Choose the Size Previous page Next page\n\nHighlights: Cotton 【XL Size for Greater Coverage】A solution designed for larger seats. With increased dimensions of 18.5” x 16.5” x 3.14”, it provides a more expansive seating surface for office chairs, car seats (especially trucks/SUVs), and wheelchairs, effectively addressing the \"too small\" issue and ensuring full support for the tailbone area. 【Secure Non-Slip Base & Contouring Support】Features a non-slip PU leather bottom to stay firmly in place on smooth chair surfaces. The high-density memory foam core conforms to your body's curves, evenly distributing pressure to provide steady, supportive comfort—not a soft, sinking feel—for prolonged sitting. 【Enhanced Support for Multiple Settings】As an XL, extra-thick support cushion, it focuses on delivering upgraded stability for larger seats. Whether for a big office chair, a car seat during long drives, or a wheelchair needing additional pressure relief, it offers more complete coverage and stronger support. 【Portable & Washable – Important Note】Includes a convenient carry handle for easy portability. The cover is removable and machine washable for simple maintenance. Please note: Memory foam is temperature-sensitive; it may feel firmer in cooler environments and will gradually soften and conform as it adjusts to room temperature and body heat. 【Designed for Spacious, Stable Comfort】The core value of this product lies in \"greater coverage area\" and \"more secure, non-slip placement.\" It is designed for users seeking a spacious sitting\n\nKey details: Brand: Tsumbay | Special Feature: Removable Cover | Color: Black | Size: 18.5”X16.5”X3.14” | Fill Material: Memory Foam | Shape: Square | Age Range (Description): Adult | Recommended Uses For Product: Sitting | Use for: Buttocks | Material: Memory Foam\n\nMaterials and feel: Memory Foam.\n\nSizes may include: S, M, L, XL.\n\nCustomer feedback: 4.3/5 average rating.\n\nCustomers say: Customers find the cushion comfortable, with one mentioning it's great for elderly use, and appreciate its perfect amount of padding that feels like a pillow.\n\nReview snippets: Super soft but supportive, comfy and looks to be made well. Read more / Needed some more support with desk chair My chair is now very soft and comfortable Wished it came in lighter color but covered it for nicer look Read more\n\nProduct description Previous page Next page 1 Without Seat Cushion 2 Before - After Previous page Next page 1 Memory Foam Cushion 2 Ergonomic Design 3 Anti-slip Bottom 4 Carrying Handle 5 Choose the Size Previous page Next page",
  "long_description_blocks": [
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      "type": "p",
      "text": "Product description Previous page Next page 1 Without Seat Cushion 2 Before - After Previous page Next page 1 Memory Foam Cushion 2 Ergonomic Design 3 Anti-slip Bottom 4 Carrying Handle 5 Choose the Size Previous page Next page"
    },
    {
      "type": "p",
      "text": "Highlights: Cotton 【XL Size for Greater Coverage】A solution designed for larger seats. With increased dimensions of 18.5” x 16.5” x 3.14”, it provides a more expansive seating surface for office chairs, car seats (especially trucks/SUVs), and wheelchairs, effectively addressing the \"too small\" issue and ensuring full support for the tailbone area. 【Secure Non-Slip Base & Contouring Support】Features a non-slip PU leather bottom to stay firmly in place on smooth chair surfaces. The high-density memory foam core conforms to your body's curves, evenly distributing pressure to provide steady, supportive comfort—not a soft, sinking feel—for prolonged sitting. 【Enhanced Support for Multiple Settings】As an XL, extra-thick support cushion, it focuses on delivering upgraded stability for larger seats. Whether for a big office chair, a car seat during long drives, or a wheelchair needing additional pressure relief, it offers more complete coverage and stronger support. 【Portable & Washable – Important Note】Includes a convenient carry handle for easy portability. The cover is removable and machine washable for simple maintenance. Please note: Memory foam is temperature-sensitive; it may feel firmer in cooler environments and will gradually soften and conform as it adjusts to room temperature and body heat. 【Designed for Spacious, Stable Comfort】The core value of this product lies in \"greater coverage area\" and \"more secure, non-slip placement.\" It is designed for users seeking a spacious sitting"
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    {
      "type": "p",
      "text": "Key details: Brand: Tsumbay | Special Feature: Removable Cover | Color: Black | Size: 18.5”X16.5”X3.14” | Fill Material: Memory Foam | Shape: Square | Age Range (Description): Adult | Recommended Uses For Product: Sitting | Use for: Buttocks | Material: Memory Foam"
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      "text": "Materials and feel: Memory Foam."
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      "text": "Customer feedback: 4.3/5 average rating."
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      "text": "Customers say: Customers find the cushion comfortable, with one mentioning it's great for elderly use, and appreciate its perfect amount of padding that feels like a pillow."
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      "text": "Review snippets: Super soft but supportive, comfy and looks to be made well. Read more / Needed some more support with desk chair My chair is now very soft and comfortable Wished it came in lighter color but covered it for nicer look Read more"
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