---
product_id: 442887663
title: "SAIREIDER Comfort Office Chair Seat Cushion, Memory Foam Coccyx Cushion Pads for Tailbone Pain, Sciatica Relief Pillow, Car Seat Cushions, Correct Sitting Posture (Navy Blue)"
brand: "saireider"
price: "¥25280"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/442887663-saireider-comfort-office-chair-seat-cushion-memory-foam-coccyx-cushion
store_origin: JP
region: Japan
---

# Portable & multi-use design High-density memory foam Ergonomic U-shaped cutout SAIREIDER Comfort Office Chair Seat Cushion, Memory Foam Coccyx Cushion Pads for Tailbone Pain, Sciatica Relief Pillow, Car Seat Cushions, Correct Sitting Posture (Navy Blue)

**Brand:** saireider
**Price:** ¥25280
**Availability:** ✅ In Stock

## Summary

> 🪑 Elevate your sit game—comfort that keeps you ahead of the curve!

## 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 (Navy Blue) by saireider
- **How much does it cost?** ¥25280 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/442887663-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:** Lightweight design fits office chairs, car seats, airplanes, wheelchairs, and more—comfort wherever you go.
- • **Trusted Customer Care:** Backed by responsive 24-hour support ensuring your comfort and satisfaction—because you deserve the best.
- • **Ergonomic Coccyx Relief:** U-shaped cutout suspends tailbone, reducing pressure and promoting healthy posture.
- • **Premium Memory Foam Comfort:** High-density foam delivers a perfect balance of softness and support—like sitting on a cloud.
- • **Thoughtful User-Friendly Design:** Removable, machine-washable cover with hidden zipper and non-slip bottom for hassle-free maintenance and stability.

## Overview

The SAIREIDER Comfort Office Chair Seat Cushion features a U-shaped ergonomic design with high-density memory foam to relieve tailbone and leg pressure, promoting healthy posture during long sitting sessions. Its lightweight, portable build fits multiple seating environments, complemented by a removable, washable cover and non-slip base. Perfect for professionals seeking all-day comfort and pain relief, backed by dedicated customer support.

## Description

Full description not available

## 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 |
|---------------|-------|
| Brand | SAIREIDER |
| Special Feature | Durable,Lightweight,Portable,Removable |
| Colour | Chair Cushion-navy |
| Size | Universal dimensions |
| Fill Material | Memory Foam |
| Shape | Semicircular |
| Age Range (Description) | Adult |
| Recommended Uses For Product | Car |
| Use for | Legs |
| Material | Memory Foam |
| Item Firmness Description | Firm, Soft |
| Product Care Instructions | Machine Wash |
| Number of Pieces | 1 |
| Pattern | Solid |
| Variety | Memory Foam,Seat Cushion |
| Fabric Type | 100% Memory Foam |
| Model Name | SRD Seat Cushion-Navy Blue |
| Specific Uses For Product | Sitting |
| UPC | 767912424910 |
| Manufacturer | SAIREIDER |
| Product Dimensions | 45.7L x 35.6W Centimeters |
| Net Quantity | 1.0 Count |
| Country of Origin | USA |
| Item model number | SC-N0402 |
| ASIN | B091KVCSYZ |

## Product Details

- **Brand:** SAIREIDER
- **Special Feature:** Durable,Lightweight,Portable,Removable
- **Colour:** Chair Cushion-navy
- **Size:** Universal dimensions
- **Fill Material:** Memory Foam
- **Shape:** Semicircular
- **Age Range (Description):** Adult
- **Recommended Uses For Product:** Car
- **Use for:** Legs
- **Material:** Memory Foam

## Images

![SAIREIDER Comfort Office Chair Seat Cushion, Memory Foam Coccyx Cushion Pads for Tailbone Pain, Sciatica Relief Pillow, Car Seat Cushions, Correct Sitting Posture (Navy Blue) - Image 1](https://m.media-amazon.com/images/I/61x2KrNC86L.jpg)

## Available Options

This product comes in different **Colour** options.

## Frequently Bought Together

- SAIREIDER Chair Cushions for Office, Memory Foam Coccyx Cushion Pads for Tailbone Pain, Car Seat Cushion, Sciatica Relief Pillow, Correct Sitting Posture (Navy Blue)
- kasney Lumbar Support Pillow Ergonomic Memory Foam, Relieve Back Pain, CMFY Breathable & Detachable & Washable, Perfect for Office Chairs, Car Seats, Beds (Blue)
- QUTOOL Lumbar Support Pillow for Office Chair Back Support Pillow for Car, Computer, Gaming Chair Memory Foam Back Cushion for Back Pain Relief Improve Posture, Mesh Cover Double Adjustable Straps

---

## 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/442887663-saireider-comfort-office-chair-seat-cushion-memory-foam-coccyx-cushion](https://www.desertcart.jp/products/442887663-saireider-comfort-office-chair-seat-cushion-memory-foam-coccyx-cushion)

---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-10-27*