--- product_id: 849370630 title: "TranquilRelax 2XL Memory Foam Seat Cushion for Office Chair, 3.7-Inch, Gray" brand: "tranquilrelax" price: "¥37761" currency: JPY in_stock: true url: https://www.desertcart.jp/products/849370630-tranquilrelax-2xl-memory-foam-seat-cushion-for-office-chair-3 store_origin: JP region: Japan --- # 3.7-inch height boost Non-slip rubber base High-density memory foam TranquilRelax 2XL Memory Foam Seat Cushion for Office Chair, 3.7-Inch, Gray **Brand:** tranquilrelax **Price:** ¥37761 **Availability:** ✅ In Stock ## Summary > 💺 Upgrade your seat, upgrade your day—comfort that commands attention! ## Quick Answers - **What is this?** TranquilRelax 2XL Memory Foam Seat Cushion for Office Chair, 3.7-Inch, Gray by tranquilrelax - **How much does it cost?** ¥37761 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/849370630-tranquilrelax-2xl-memory-foam-seat-cushion-for-office-chair-3) ## Best For - tranquilrelax enthusiasts ## Why This Product - Trusted tranquilrelax brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Elevate Your Comfort:** Instantly adds 3.7 inches for better posture and visibility—perfect for office or car. - • **Stay Put, Stay Focused:** Anti-slip rubber base locks cushion in place—no more annoying sliding during work or travel. - • **Designed for Every Seat:** Extra-large 2XL size fits office chairs, car seats, wheelchairs, and supports short drivers and seniors alike. - • **Breathe Easy & Clean Fast:** Breathable, moisture-wicking mesh cover is removable and machine washable for hassle-free freshness. - • **Ergonomic Support That Lasts:** Medium-firm memory foam cushions your tailbone and sciatic area without flattening all day. ## Overview The TranquilRelax 2XL Memory Foam Seat Cushion offers a 3.7-inch ergonomic height boost with high-density, medium-firm memory foam designed to reduce pressure on the coccyx and improve posture. Its extra-large size and non-slip rubber base make it ideal for office chairs, car seats, and wheelchairs, especially benefiting short drivers and seniors. The breathable, removable mesh cover is machine washable, ensuring long-lasting comfort and hygiene for extended sitting sessions. ## Features - 【3.7-Inch Height Boost & Targeted Comfort】 Instantly raise your seat height by 3.35 inches for better visibility and reach! Combined with an ergonomic beveled edge design, this high-density memory foam cushion helps minimize pressure on your coccyx, tailbone, and sciatic area, offering soothing comfort for long sitting hours or post-surgery support - 【Improves Posture & Reduces Back Strain】 Turn any hard chair into an ergonomic seat. The thoughtful beveled edge design encourages a natural, upright sitting posture by supporting proper pelvic alignment. This helps distribute your weight evenly, reducing strain on your lower back, hips, and thighs - whether you're working 8+ hours at a desk or on a long drive - 【Medium-Firm Support That Won't Flatten】 Please note: To provide proper ergonomic support, this cushion is intentionally designed with a Medium-Firm feel, NOT a plush, sink-in feel. If you prefer ultra-soft foam, this may not be the right fit. Unlike soft cushions that quickly bottom out, our premium memory foam holds its shape all day, providing stable, resilient lift that won't flatten over time - 【Extra Large & Perfect for Short Individuals】 Measuring 18.9" x 17.1", this cushion accommodates adults comfortably while providing the perfect 3.7-inch height boost. Ideal for short drivers needing better road visibility, seniors needing extra height to transition in and out of chairs, wheelchair users, and anyone seeking reliable support for office chairs, car seats, dining chairs, and travel situations - 【Non-Slip Rubber Base & Easy to Wash】 Say goodbye to constant adjusting! A sturdy anti-slip rubber bottom locks the cushion securely in place, so it won't slide around on your office chair, car seat, or wheelchair. The breathable mesh cover features a durable zipper, making it easily removable and machine-washable for hassle-free hygiene ## Technical Specifications | Specification | Value | |---------------|-------| | Age Range Description | Adult | | Asin | B0GX9QQGP6 | | Best Sellers Rank | #866 in Office Products (See Top 100 in Office Products) #7 in Back Cushions & Seat Cushions | | Brand Name | TranquilRelax | | Color | Gray | | Customer Reviews | 4.3 4.3 out of 5 stars (2,402) 4.3 out of 5 stars | | Fabric Type | 100% Polyester Mesh Cover | | Fill Material | 103% Premium Memory Foam | | Item Firmness Description | Medium Firm | | Item Highlight | Medium-firm Support for Long Sitting, Washable Mesh Cover, Non-slip Base, Perfect for Car Seats & Short Drivers | | Manufacturer | TranquilRelax | | Manufacturer Part Number | MPN-TR0001-2XL-GE | | Material Features | Breathable, Moisture Wicking | | Material Type | Memory Foam | | Material Type Free | Formaldehyde Free, Latex Free | | Model Name | MPN-TR0001-2XL-GE | | Model Number | MPN-TR0001-2XL-GE | | Number Of Pieces | 1 | | Pattern | Solid | | Product Care Instructions | The memory foam core is not washable. For easy care, remove the zippered cover and machine wash cold on a gentle cycle. Do not bleach or tumble dry. Air dry completely before reusing. | | Recommended Uses For Product | Driving, Reading, Resting, Sitting, Traveling | | Shape | Rectangular | | Size | 2XL-Large | | Special Features | Anti-Slip, Moisture-Wicking, Portable, Removable Cover, Breathable | | Specific Uses For Product | Casual sitting, Long-haul drivers, Office workers, Work-from-home | | Target Use Body Part | Buttocks, Legs | ## Images ![TranquilRelax 2XL Memory Foam Seat Cushion for Office Chair, 3.7-Inch, Gray - Image 1](https://m.media-amazon.com/images/I/81cFk8eJ9IL.jpg) ![TranquilRelax 2XL Memory Foam Seat Cushion for Office Chair, 3.7-Inch, Gray - Image 2](https://m.media-amazon.com/images/I/71-npehpNmL.jpg) ![TranquilRelax 2XL Memory Foam Seat Cushion for Office Chair, 3.7-Inch, Gray - Image 3](https://m.media-amazon.com/images/I/81YnUUXLMLL.jpg) ![TranquilRelax 2XL Memory Foam Seat Cushion for Office Chair, 3.7-Inch, Gray - Image 4](https://m.media-amazon.com/images/I/71gGZ6HhFoL.jpg) ![TranquilRelax 2XL Memory Foam Seat Cushion for Office Chair, 3.7-Inch, Gray - Image 5](https://m.media-amazon.com/images/I/71QKO3D5rSL.jpg) ## Available Options This product comes in different **Color, Size** options. --- ## 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/849370630-tranquilrelax-2xl-memory-foam-seat-cushion-for-office-chair-3](https://www.desertcart.jp/products/849370630-tranquilrelax-2xl-memory-foam-seat-cushion-for-office-chair-3) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-09-24*