--- product_id: 535950909 title: "SAIREIDER Office Chair Cushion, Car Seat Cushion, Memory Foam Coccyx Cushion Pads for Tailbone Pain, Sciatica Relief Pillow, Correct Sitting Posture (Pink)" brand: "saireider" price: "¥25510" currency: JPY in_stock: true category: "Saireider" url: https://www.desertcart.jp/products/535950909-saireider-office-chair-cushion-car-seat-cushion-memory-foam-coccyx store_origin: JP region: Japan --- # Portable with side handle High-density memory foam Ergonomic U-shape cutout SAIREIDER Office Chair Cushion, Car Seat Cushion, Memory Foam Coccyx Cushion Pads for Tailbone Pain, Sciatica Relief Pillow, Correct Sitting Posture (Pink) **Brand:** saireider **Price:** ¥25510 **Availability:** ✅ In Stock ## Summary > 🪑 Sit Smart, Feel Elite — Upgrade Your Seat Game Now! ## Quick Answers - **What is this?** SAIREIDER Office Chair Cushion, Car Seat Cushion, Memory Foam Coccyx Cushion Pads for Tailbone Pain, Sciatica Relief Pillow, Correct Sitting Posture (Pink) by saireider - **How much does it cost?** ¥25510 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/535950909-saireider-office-chair-cushion-car-seat-cushion-memory-foam-coccyx) ## 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 - • **Non-Slip Stability:** Secure non-slip bottom keeps you grounded, no more sliding or awkward shifts during work or travel. - • **Easy-Care & Durable:** Removable, machine-washable cover with hidden zipper protects your chair and keeps cushion fresh. - • **Ergonomic Coccyx Relief:** U-shaped design suspends tailbone, easing pressure and sciatica pain for all-day comfort. - • **Travel-Ready Portability:** Lightweight with a convenient side handle—take your comfort anywhere, from office to airplane. - • **Premium Memory Foam Comfort:** Soft yet supportive high-density foam that feels like sitting on a cloud, not a chair. ## Overview The SAIREIDER Office Chair Cushion features a high-density memory foam core with an ergonomic U-shaped cutout that relieves tailbone and sciatica pain while promoting healthy posture. Designed for versatile use—from office chairs to car seats—its non-slip base and portable side handle ensure stability and convenience. The removable, machine-washable cover with a hidden zipper adds durability and style, making it a must-have for professionals seeking all-day comfort and pain relief. ## Description What could you get from this seat cushion? 1. Premium Memory Foam Material The office chair seat cushion is made of high-density memory foam, which is soft but supportive. This kind of material could greatly help relieve the pressure. 2. Ergonomic U-shape Cut The ergonomically designed "u" shaped cutout keeps your coccyx suspended above firm seat surface, relieving pressure all along the back, tailbone and legs. Which could relieve sciatica, coccyx pain and promote posture. 3. Thoughtful Designs We use hidden zipper on cover to avoid your chair being scratched by the zipper. We added a side belt on the cushion, it’s convenient for you to carry it to any place you may need it. 4. Practical for Various Occasions It’s portable and applicable to various occasions, such as office chair, car seat, home chair, airplane seat, wheel chair and so on. ## 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 seat surface, relieving pressure all along the back, tailbone and legs. It also helps promote healthy posture. - [Premium Material] Different from other brands’ seat cushions that are too hard or lack of support, 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 | |---------------|-------| | ASIN | B09YR3KXH5 | | Age Range Description | Adult | | Best Sellers Rank | 851,788 in Home & Kitchen ( See Top 100 in Home & Kitchen ) 1,379 in Back & Seat Cushions | | Brand Name | SAIREIDER | | Coin Variety 1 | Memory Foam,Seat Cushion | | Colour | Pink | | Customer Reviews | 4.5 4.5 out of 5 stars (531) | | Fabric Type | 100% Memory Foam | | Fill Material | Memory Foam | | Item Dimensions L x W | 45.7L x 35.6W centimetres | | Item Firmness Description | Medium Soft | | Item Shape | Semicircular | | Item Type Name | Seat Cushion | | Manufacturer | SAIREIDER | | Manufacturer Part Number | SSC-A01P | | Material Type | Memory Foam | | Model Name | SrdSeatCushion-A01P | | Model Number | SAIREIDER | | Number of Pieces | 1 | | Pattern | Solid | | Product Care Instructions | Machine Wash | | Recommended Uses For Product | Sitting | | Size | Universal dimensions | | Special Features | Lightweight,Portable,Removable | | Specific Uses For Product | Sitting | | Target Use Body Part | Back, Legs | | UPC | 767912424972 | | Unit Count | 1.0 count | ## Product Details - **Brand:** SAIREIDER - **Colour:** Pink - **Fill material:** Memory Foam - **Size:** Universal dimensions - **Special feature:** Lightweight,Portable,Removable ## Images ![SAIREIDER Office Chair Cushion, Car Seat Cushion, Memory Foam Coccyx Cushion Pads for Tailbone Pain, Sciatica Relief Pillow, Correct Sitting Posture (Pink) - Image 1](https://m.media-amazon.com/images/I/61D7V6kfD3L.jpg) ![SAIREIDER Office Chair Cushion, Car Seat Cushion, Memory Foam Coccyx Cushion Pads for Tailbone Pain, Sciatica Relief Pillow, Correct Sitting Posture (Pink) - Image 2](https://m.media-amazon.com/images/I/31p+CJE1U3L.jpg) ![SAIREIDER Office Chair Cushion, Car Seat Cushion, Memory Foam Coccyx Cushion Pads for Tailbone Pain, Sciatica Relief Pillow, Correct Sitting Posture (Pink) - Image 3](https://m.media-amazon.com/images/I/412mbNAmOmL.jpg) ![SAIREIDER Office Chair Cushion, Car Seat Cushion, Memory Foam Coccyx Cushion Pads for Tailbone Pain, Sciatica Relief Pillow, Correct Sitting Posture (Pink) - Image 4](https://m.media-amazon.com/images/I/416TvqQUywL.jpg) ![SAIREIDER Office Chair Cushion, Car Seat Cushion, Memory Foam Coccyx Cushion Pads for Tailbone Pain, Sciatica Relief Pillow, Correct Sitting Posture (Pink) - Image 5](https://m.media-amazon.com/images/I/512gWP-HlpL.jpg) --- ## 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/535950909-saireider-office-chair-cushion-car-seat-cushion-memory-foam-coccyx](https://www.desertcart.jp/products/535950909-saireider-office-chair-cushion-car-seat-cushion-memory-foam-coccyx) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-10-29*