--- product_id: 369572446 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: "¥14315" currency: JPY in_stock: true category: "Saireider" url: https://www.desertcart.jp/products/369572446-saireider-comfort-office-chair-seat-cushion-memory-foam-coccyx-cushion store_origin: JP region: Japan --- # Portable with side handle High-density memory foam Ergonomic U-shape cutout 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:** ¥14315 **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?** ¥14315 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/369572446-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 - • **Ergonomic Coccyx Relief:** U-shaped design suspends your 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. - • **Versatile Comfort Solution:** Perfect for office chairs, car seats, wheelchairs, and more—your all-in-one posture and pain relief essential. - • **Premium Memory Foam Support:** Soft yet firm high-density foam cushions your back and legs, promoting healthy posture effortlessly. - • **Thoughtful, User-Friendly Design:** Hidden zipper protects your chair and removable cover ensures easy cleaning and lasting freshness. ## Overview The SAIREIDER Comfort Office Chair Seat 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, it includes a removable, machine-washable cover with a hidden zipper and a side handle for easy portability. Ideal for office, car, or travel, this cushion combines premium materials and thoughtful design to deliver lasting comfort and support. ## 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 seating surfaces, 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 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 | |---------------|-------| | ASIN | B091KW7Y53 | | Age Range Description | Adult | | Best Sellers Rank | #158,709 in Home ( See Top 100 in Home ) #707 in Home Office Back Cushions & Seat Cushions | | Brand Name | SAIREIDER | | Color | Chair Cushion-grey | | Customer Reviews | 4.4 4.4 out of 5 stars (2,506) | | Fabric Type | 100% Memory Foam | | Fill Material | Memory Foam | | Item Firmness Description | Firm, Soft | | Manufacturer | SAIREIDER | | Material Type | Memory Foam | | 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 | Semicircular | | Size | Universal Dimensions | | Special Features | Lightweight, Portable | | Specific Uses For Product | Sitting | | Target Use Body Part | Back, Legs | | UPC | 767912424903 | | Unit Count | 1.0 Count | ## Product Details - **Brand:** SAIREIDER - **Colour:** Chair Cushion-grey - **Fill material:** Memory Foam - **Size:** Universal Dimensions - **Special features:** Lightweight, Portable ## 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 **Color** options. ## 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/369572446-saireider-comfort-office-chair-seat-cushion-memory-foam-coccyx-cushion](https://www.desertcart.jp/products/369572446-saireider-comfort-office-chair-seat-cushion-memory-foam-coccyx-cushion) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-11-01*