--- product_id: 345597264 title: "Car Wedge Seat Cushion for Car Driver Seat Office Chair Wheelchairs Memory Foam Seat Cushion" brand: "marggona" price: "Β₯11828" currency: JPY in_stock: true url: https://www.desertcart.jp/products/345597264-car-wedge-seat-cushion-for-car-driver-seat-office-chair store_origin: JP region: Japan --- # 20-inch width fits car seats perfectly 100% premium memory foam Non-slip rubber bottom & adjustable strap Car Wedge Seat Cushion for Car Driver Seat Office Chair Wheelchairs Memory Foam Seat Cushion **Brand:** marggona **Price:** Β₯11828 **Availability:** βœ… In Stock ## Summary > πŸš— Elevate your drive, relieve your spine β€” comfort that moves with you! ## Quick Answers - **What is this?** Car Wedge Seat Cushion for Car Driver Seat Office Chair Wheelchairs Memory Foam Seat Cushion by marggona - **How much does it cost?** Β₯11828 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/345597264-car-wedge-seat-cushion-for-car-driver-seat-office-chair) ## Best For - marggona enthusiasts ## Why This Product - Trusted marggona brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Stay Put Stability:** Non-slip rubber base and adjustable strap keep the cushion securely in place during every drive. - β€’ **Breathable & Easy Care:** 4D mesh cover ensures airflow and is removable for hassle-free hand washing. - β€’ **Versatile Use Anywhere:** Designed for car seats, office chairs, wheelchairs, and even pregnancy support. - β€’ **Ergonomic Coccyx Relief:** Ergonomically designed cut-out reduces tailbone pressure for all-day comfort. - β€’ **Perfect Fit, Elevated Comfort:** Generous 20-inch width and 3-inch height boost your seat for ideal lumbar support. ## Overview The YJWAN Car Wedge Seat Cushion features premium 100% memory foam with an ergonomic coccyx cut-out to alleviate tailbone pain and promote better posture. Sized at 20x17x3 inches, it fits most car seats perfectly, raising seat height for optimal lumbar support. Its non-slip rubber bottom and adjustable strap ensure stability, while the breathable 4D mesh cover is removable and washable. Ideal for drivers, office workers, wheelchair users, and pregnant women seeking all-day comfort and pain relief. ## Description Car Wedge Seat Cushion for Car Driver Seat Office Chair Wheelchairs Memory Foam Seat Cushion ## Features - βœ” YJWAN Car Wedge Seat Cushion for Car Driver Seat Office Chair Wheelchairs Coccyx Support Tailbone Pain Relief Memory Foam Car Seat Cushion - βœ” RELIEVE ACHING BACK: Wedge seat cushion that made of 100% premium memory foam features balanced softness and ergonomic coccyx cut-out design, which designed to relieve pressure on lower spine and reduce tailbone pain,but with some people it will not completely eliminate all symptoms. - βœ” PROMOTE BETTER SITTING POSTURE : 20 INCHES at the width just fit the car seat, not like other brands with 18 inches at the width are too small for car seat . What's more, 3 INCHES high at the back , our cushion effectively raises your car seat height, thus providing the perfect amount of lumbar support. - βœ” Widely Use: Our Memory Foam orthopedic wedge seat cushion provides comfort on most Hard Surfaces, office chair, and wheelchairs.Design for car seat,office use, household and pregnancy. Some customers who often makes long commutes said that this car wedge seat cushion made all the difference from feeling achy after a drive to feeling good. - βœ” MORE PRACTICALITY DESIGN: Non-slip rubber bottom and adjustable strap to keeps cushion stable and secure. Will not slide around whilst driving or require. Use 4D breathable mesh knitting material, has high-density, high- breathable, high elasticity. Removable cover is hand washable. NOTE: the car seat cushion will arrive folded but will flatten out with first use. ## Technical Specifications | Specification | Value | |---------------|-------| | Product Dimensions | 46.99 x 50.01 x 8 cm; 798.32 g | | Item Weight | 798 g | | Fill material | Memory Foam | | Is mould resistant | en_AE | | Care instructions | Machine Wash | | Is assembly required | No | | Number of pieces | 1 | | Batteries required | No | ## Product Details - **Brand:** MargGona - **Special features:** Memory - **Colour:** Black - **Size:** One Size - **Fill material:** Memory Foam ## Images ![Car Wedge Seat Cushion for Car Driver Seat Office Chair Wheelchairs Memory Foam Seat Cushion - Image 1](https://m.media-amazon.com/images/I/61nQqBG0wnS.jpg) ## Available Options This product comes in different **Color** options. ## Questions & Answers **Q: Is this good for a petite elderly bony person who sits most of the day?** A: Yes, the wedge is made of 100% premium memory foam and can be used while sitting for long periods, enhancing your comfort while retaining its density. **Q: does the firmness stay or does it squash down quite a bit?** A: It has stayed firm. It does feel a bit firmer when it's cold and you first sit on it. **Q: Any weight limitation on this item, before it doesn’t really give any support to your back?** A: No real back support. Great for the butt. **Q: 4D breathable mesh knitting material cover. is the mesh latex free?** A: Below is from the website. Seems to be polyester material. Car Wedge Seat Cushion YJWAN Car Wedge Seat Cushion for Car Driver Seat Office Chair Wheelchairs Coccyx Support Tailbone Pain Relief Memory Foam Car Seat Cushion Features: --Mail Material: 100% premium Memory Foam with 4D breathable mesh knitting material cover. --Size: 20*17*3 in /50 cm X 43 cm X 8 cm(L*W*H) --Memory foam middle layer comes in soft and firm options, and lasts for a long time. It will make your car seat much more comfortable, Non-slip rubber bottom, it won‘¯t slide around when you get in and out of the car. --Our Memory Foam orthopedic wedge seat cushion provides comfort on most Hard Surfaces, office chair, and wheelchairs.Design for car seat,office use, household and pregnancy. --Hypoallergenic, allergy free foam is less likely to cause allergic reactions ## Frequently Bought Together - YJWAN Car Wedge Seat Cushion for Car Driver Seat Office Chair Wheelchairs Coccyx Support Tailbone Pain Relief Memory Foam Seat Cushion - Livtribe Car Seat Cushion - Memory Foam Car Seat Pad - Sciatica & Lower Back Pain Relief - Car Seat Cushions for Driving - Road Trip Essentials for Drivers(Black) --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.jp/products/345597264-car-wedge-seat-cushion-for-car-driver-seat-office-chair](https://www.desertcart.jp/products/345597264-car-wedge-seat-cushion-for-car-driver-seat-office-chair) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-10-24*