--- product_id: 702931343 title: "SAIREIDER Comfort Office Chair Seat Cushion, Memory Foam Coccyx Cushion Pads for Tailbone Pain, Sciatica Relief Pillow, Car Seat Cushions, Correct Sitting Posture (Grey)" brand: "saireider" price: "¥27172" currency: JPY in_stock: true reviews_count: 5 url: https://www.desertcart.jp/products/702931343-saireider-comfort-office-chair-seat-cushion-memory-foam-coccyx-cushion store_origin: JP region: Japan --- # Lightweight & portable with non-slip base 100% high-density memory foam for soft support Ergonomic U-shaped cutout for coccyx relief SAIREIDER Comfort Office Chair Seat Cushion, Memory Foam Coccyx Cushion Pads for Tailbone Pain, Sciatica Relief Pillow, Car Seat Cushions, Correct Sitting Posture (Grey) **Brand:** saireider **Price:** ¥27172 **Availability:** ✅ In Stock ## Summary > 🪑 Sit Smart, Feel Elite — Elevate Your Comfort Game! ## Quick Answers - **What is this?** SAIREIDER Comfort Office Chair Seat Cushion, Memory Foam Coccyx Cushion Pads for Tailbone Pain, Sciatica Relief Pillow, Car Seat Cushions, Correct Sitting Posture (Grey) by saireider - **How much does it cost?** ¥27172 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/702931343-saireider-comfort-office-chair-seat-cushion-memory-foam-coccyx-cushion) ## Best For - saireider enthusiasts ## Why This Product - Trusted saireider brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Versatile & Portable:** Perfect for office, car, airplane, or wheelchair—comfort wherever you go. - • **Ergonomic Coccyx Relief:** U-shaped design suspends tailbone, reducing pressure and promoting healthy posture. - • **Satisfaction Guaranteed:** Trusted by thousands with responsive 24-hour customer support for your peace of mind. - • **Premium Memory Foam Comfort:** High-density foam delivers a bouncy, cloud-like seating experience that lasts all day. - • **Thoughtful User-Friendly Design:** Removable, skin-friendly cover with hidden zipper and non-slip bottom for easy care and stability. ## Overview The SAIREIDER Comfort Office Chair Seat Cushion features a premium 100% high-density memory foam with an ergonomic U-shaped cutout that relieves tailbone pressure and supports healthy posture. Lightweight and portable, it fits office chairs, car seats, and more, with a removable, washable cover and non-slip base for convenience and durability. Designed for all-day comfort and backed by responsive customer service, it’s the smart choice for professionals seeking pain relief and superior seating comfort. ## Features - [Ergonomic Design] Perfect office chair cushion, 100% memory foam cushion helps relieve the pressure while driving or sitting for long periods. The ergonomically designed "u" shaped cutout keeps your coccyx suspended above hard seating surfaces, relieving pressure all along the back, tailbone and legs. It also helps promote healthy posture. - [Premium Material] Different from other brands seat cushions that is too hard or lack of supports, we put in more costs to increase the density of memory foam, which makes the cushion soft and supportive! When you sit on the cushion you would feel bouncy and comfortable just like sitting on a balloon. - [Thoughtful Designs] Removable soft and skin-friendly cover, non-slip bottom, side handle, portable and convenient. The extended hidden zipper makes it easier to remove the cover, aesthetic and helps avoid your chair being scratched by the exposed zipper. - [Wide Applications] Lightweight and durable car seat cushion, which is portable and applicable to various occasions, such as office chair, car seat, home chair, airplane seat, wheel chair and so on. It’s also a perfect gift for health! - [Guaranteed Customer Service] We believe that you would like our seat cushion because it could bring you comfort and health. But if you meet any problem or feel unsatisfied while using it, please feel free to contact us and we would provide a 100% satisfactory solution for you in 24 hours. ## Technical Specifications | Specification | Value | |---------------|-------| | Age Range Description | Adult | | Asin | B091KW7Y53 | | Best Sellers Rank | #1,459,907 in Home & Kitchen (See Top 100 in Home & Kitchen) #2,955 in Back & Seat Cushions | | Brand | SAIREIDER | | Coin Variety 1 | Memory Foam,Seat Cushion | | Colour | Chair Cushion-grey | | Customer Reviews | 4.4 4.4 out of 5 stars (2,601) 4.4 out of 5 stars | | Enclosure Material | Memory Foam | | Fabric Type | 100% Memory Foam | | Fill Material | Memory Foam | | Item Dimensions L X W | 35.6L x 35.6W Centimeters | | Item Firmness Description | Soft | | Manufacturer | SAIREIDER | | Model Name | SRD Seat Cushion-Grey | | Model Number | SC-G0402 | | Number Of Pieces | 1 | | Pattern | Solid | | Product Care Instructions | Machine Wash | | Recommended Uses For Product | Sitting | | Shape | Rectangular | | Size | Universal dimensions | | Special Features | Durable,Lightweight,Portable,Removable | | Specific Uses For Product | Sitting | | Target Use Body Part | Back, Legs | | Unit Count | 1 Count | | Upc | 767912424903 | ## Product Details - **Age Range (Description):** Adult - **Brand:** SAIREIDER - **Colour:** Chair Cushion-grey - **Fill Material:** Memory Foam - **Material:** Memory Foam - **Recommended Uses For Product:** Sitting - **Shape:** Rectangular - **Size:** Universal dimensions - **Special Feature:** Durable,Lightweight,Portable,Removable - **Use for:** Back, Legs ## Images ![SAIREIDER Comfort Office Chair Seat Cushion, Memory Foam Coccyx Cushion Pads for Tailbone Pain, Sciatica Relief Pillow, Car Seat Cushions, Correct Sitting Posture (Grey) - Image 1](https://m.media-amazon.com/images/I/71WTn-aSjAL.jpg) ![SAIREIDER Comfort Office Chair Seat Cushion, Memory Foam Coccyx Cushion Pads for Tailbone Pain, Sciatica Relief Pillow, Car Seat Cushions, Correct Sitting Posture (Grey) - Image 2](https://m.media-amazon.com/images/I/61HXgPMyCtL.jpg) ![SAIREIDER Comfort Office Chair Seat Cushion, Memory Foam Coccyx Cushion Pads for Tailbone Pain, Sciatica Relief Pillow, Car Seat Cushions, Correct Sitting Posture (Grey) - Image 3](https://m.media-amazon.com/images/I/61zPwrJ2xBL.jpg) ![SAIREIDER Comfort Office Chair Seat Cushion, Memory Foam Coccyx Cushion Pads for Tailbone Pain, Sciatica Relief Pillow, Car Seat Cushions, Correct Sitting Posture (Grey) - Image 4](https://m.media-amazon.com/images/I/71YfP7AyLWL.jpg) ![SAIREIDER Comfort Office Chair Seat Cushion, Memory Foam Coccyx Cushion Pads for Tailbone Pain, Sciatica Relief Pillow, Car Seat Cushions, Correct Sitting Posture (Grey) - Image 5](https://m.media-amazon.com/images/I/61EZ841bpBS.jpg) ## Available Options This product comes in different **Colour** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Surprenament comfortable et de bonne qualité. *by on Reviewed in France 9 July 2025* Je pensais qu'un coussin à ce prix serai correct mais sans plus. Mais c'est le meilleur que j'ai testé. Et sur ma chaise de bureau il reste stable malgré ma façon de beaucoup bouger. Parfait! ### ⭐⭐⭐⭐⭐ Saving my SI joint on the daily. *by on Reviewed in the United States 6 August 2026* Saving my SI joint on the daily. I have used this particular cushion long enough to replace it twice and I love it still. The brand makes a seriously long lasting, comfortable, cushion that actually fits my butt. I have psoriatic arthritis and Ankylosing spondylitis, so a cushion with this sort of design has become necessary to my life. I'll buy again and again! ### ⭐⭐⭐⭐ Komfortables Kissen für mehr Sitzkomfort bei Steißbeinschmerzen – etwas teuer, aber gut *by on Reviewed in Germany 28 November 2025* Das SAIREIDER Stuhlkissen für Büro erfüllt grundsätzlich seinen Zweck. Es sorgt für eine spürbare Entlastung bei Steißbeinschmerzen und man kann wirklich komfortabel sitzen. Der Memory Foam passt sich gut an, was das Sitzen auf hartem Stuhl deutlich angenehmer macht.Ein kleiner Nachteil: Durch die Dicke des Kissens sitzt man etwas höher als ohne, was zu Beginn gewöhnungsbedürftig sein kann. Allerdings passt es trotzdem gut auf meinen Bürostuhl und die Sitzhöhe ist für mich kein großes Problem.Was ich etwas schade finde, ist der Preis. Für die Qualität des Kissens könnte der Preis etwas niedriger sein, aber insgesamt ist es eine gute Investition, wenn man regelmäßig lange sitzt und nach einer Lösung für Steißbeinschmerzen sucht.Alles in allem ein solides Produkt, das seinen Zweck erfüllt und den Sitzkomfort deutlich erhöht! ## Frequently Bought Together - SAIREIDER Seat Cushions for Office Chairs, Memory Foam Coccyx Cushion Pads for Tailbone Pain, Sciatica Relief Pillow, Car Seat Cushion, Correct Sitting Posture (Grey) - SAIREIDER Lumbar Pillow, Memory Foam Office Chair Back Support Pillows Back Pain Relief Improve Posture, Lumbar Support Pillow for Car、Gaming Chair、 Home Chair, Double Adjustable Straps(Grey) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.jp/products/702931343-saireider-comfort-office-chair-seat-cushion-memory-foam-coccyx-cushion](https://www.desertcart.jp/products/702931343-saireider-comfort-office-chair-seat-cushion-memory-foam-coccyx-cushion) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-11-01*