---
product_id: 529057474
title: "Memory Foam Seat Cushion for Car Seat & Office Chair, Black"
brand: "blisstrends"
price: "¥33320"
currency: JPY
in_stock: true
category: "Bliss Trends"
url: https://www.desertcart.jp/products/529057474-memory-foam-seat-cushion-for-car-seat-and-office-chair
store_origin: JP
region: Japan
---

# Removable, machine-washable velvet cover 3.3" thick high-density memory foam Ergonomic tailbone & sciatica pressure relief Memory Foam Seat Cushion for Car Seat & Office Chair, Black

**Brand:** blisstrends
**Price:** ¥33320
**Availability:** ✅ In Stock

## Summary

> 🖤 Sit Smart, Work Sharp — Elevate Every Seat with BlissTrends

## Quick Answers

- **What is this?** Memory Foam Seat Cushion for Car Seat & Office Chair, Black by blisstrends
- **How much does it cost?** ¥33320 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/529057474-memory-foam-seat-cushion-for-car-seat-and-office-chair)

## Best For

- blisstrends enthusiasts

## Why This Product

- Trusted blisstrends brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Stay-Put Stability:** Anti-slip bottom ensures your cushion never shifts, keeping you focused and comfortable whether at your desk or behind the wheel.
- • **Effortless Clean & Care:** Soft velvet cover is fully removable and machine washable, blending luxury with practical hygiene for your busy lifestyle.
- • **Pain-Free Productivity Boost:** Ergonomic design targets tailbone and sciatica relief, improving posture and reducing discomfort in every seat you occupy.
- • **All-Day Comfort, Zero Compromise:** 3.3" premium memory foam cushions hips & thighs for long-lasting support during marathon workdays or road trips.
- • **Universal Fit, Ultimate Versatility:** Designed to seamlessly fit office chairs, car seats, wheelchairs, and even airplane seats — your go-to comfort companion anywhere.

## Overview

The BlissTrends Memory Foam Seat Cushion features a 3.3-inch thick high-density memory foam core designed to relieve tailbone and sciatica pain while promoting better posture. Its ergonomic semicircular shape supports hips and thighs, reducing pressure during extended sitting. The cushion includes a removable, breathable velvet cover that is machine washable and an anti-slip base to keep it securely in place. Compatible with office chairs, car seats, wheelchairs, and airplane seats, it’s ideal for professionals seeking all-day comfort and pain relief in any setting.

## Description

Buy BlissTrends Memory Foam Seat Cushion for Office Chair & Car Seat, Black | Ergonomic Tailbone & Sciatica Support with Removable Velvet Cover for Pressure Relief and Long Sitting Comfort, 3.3" Thick: Cushions - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

## Features

- Ergonomic Tailbone & Pressure Relief Design — Strategically shaped cushion helps relieve sciatica, tailbone pain, hip pressure and improves posture during office work, driving, or wheelchair use
- 3.35''Center Thickness High-Density Memory Foam Cushion—The seat cushion measures 18.11''x16.14''x4.76'' and 3.35'' center thickness high-density memory foam cushion, which provides superior support and comfort for hips and thighs, reducing pressure and offering long-lasting support even after extended sitting sessions
- Removable, Breathable & Non-Slip Cover — Premium soft velvet cover is machine-washable; anti-slip bottom ensures cushion stays securely in place on chairs, car seats or wheelchairs
- Universal Fit for Office Chairs, Car Seats, Airplanes & Wheelchairs — Fits most standard chairs, car seats or wheelchairs — perfect for home, office, travel, gaming or daily commuting
- Easy Maintenance & Versatile Use — Supportive foam maintains shape over time; ideal for office work, remote learning, long drives, gaming sessions or travel — excellent for people working long hours sitting down

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BZCJRJML |
| Age Range Description | Adult |
| Best Sellers Rank | #133 in Automotive ( See Top 100 in Automotive ) #1 in Automotive Seat Cushions |
| Brand Name | BlissTrends |
| Coin Variety 1 | Memory Foam,Seat Cushion |
| Color | Black |
| Customer Reviews | 4.4 4.4 out of 5 stars (9,269) |
| Fabric Type | 100% Polyurethane Foam & 100% Polyester |
| Fill Material | Polyurethane (PU) |
| Item Dimensions L x W | 18.11"L x 16.14"W |
| Item Dimensions L x W x H | 18.11"L x 16.14"W x 4.76"H |
| Item Firmness Description | Medium Firm |
| Item Highlight | Ergonomic Tailbone & Sciatica Support with Removable Velvet Cover for Pressure Relief and Long Sitting Comfort, 3.3" Thick |
| Manufacturer | BlissTrends |
| Manufacturer Part Number | MPNBTR0002-0BL |
| Material Type | Polyester, Polyurethane Foam |
| Model Name | BTR0002-0BL |
| Model Number | Lumbalkissen 05 |
| Number of Pieces | 1 |
| Pattern | Solid |
| Product Care Instructions | Memory foam seat cushions feel firmer in colder temperatures and soften slightly as the temperature rises. We recommend sitting on the cushion for a few extra minutes when you first use it to allow the memory foam to warm up., Remove cover from memory foam. Cover is machine washable on a gentle cycle with cold water. Dryer safe (low heat) or air-dry setting. DO NOT PUT MEMORY FOAM IN WASHER OR DRY… |
| Recommended Uses For Product | Driving, Reading, Sitting, Studying, Traveling |
| Shape | Semicircular |
| Size | Large |
| Special Features | Anti-Slip, Breathable, Removable, Removable Cover |
| Specific Uses For Product | Back Pain Relief, Comfort, Posture, Supportiveness |
| Target Use Body Part | Back, Buttocks, Whole Body |
| Unit Count | 1 Count |

## Product Details

- **Brand:** BlissTrends
- **Color:** Black
- **Fill Material:** Polyurethane (PU)
- **Size:** Large
- **Special Feature:** Anti-Slip, Breathable, Removable, Removable Cover

## Images

![Memory Foam Seat Cushion for Car Seat & Office Chair, Black - Image 1](https://m.media-amazon.com/images/I/71WsqcXAU3L.jpg)

## Available Options

This product comes in different **Color, Size** options.

## Questions & Answers

**Q: Is this seat cushion suitable for long sitting and driving?**
A: Yes. This seat cushion provides contoured support for long hours at a desk, daily commuting, and road trips. It works as an office chair cushion or car seat cushion, but you may need to adjust the chair or car seat height for a comfortable position.

**Q: How does the ergonomic seat cushion support the body?**
A: The raised contours cradle the hips and thighs, while the rear U-shaped cutout helps reduce direct pressure on the coccyx. Place the cutout toward the back of the chair to use it correctly as an ergonomic seat cushion.

**Q: Can this coccyx cushion help with tailbone or sciatica discomfort?**
A: The ergonomic coccyx cushion redistributes pressure around the tailbone, hips, and thighs, which may help ease discomfort from prolonged sitting. Individual results may vary.

**Q: What types of chairs can this cushion be used on?**
A: Measure your chair’s usable width and depth and compare them with the selected cushion size. Also consider seat height, legroom, and desk clearance. The cushion should not extend far beyond the chair seat.

**Q: Will the memory foam flatten when I sit on it?**
A: Memory foam naturally compresses to conform to your body, so the seated height will be lower. It gradually recovers after use, while compression varies with body weight, sitting time, and temperature.

## Frequently Bought Together

- BlissTrends Seat Cushion,Thick Memory Foam Cushions for Office Chair, Car Seat, Airplane, Relieving Pressure Tailbone Sciatica Back Pain for Long Sitting Office Workers, Car Drivers 4.7in Thick Black
- 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
- Memory Foam Seat Chair Cushion for Relieves Back Sciatica Pain Tailbone Pain Coccyx Degenerating Disc Orthopedic Osteoarthritis Prostate Cushion Low Back Pain Cushion Hip Shaping (Dark Gray)

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**Shop now:** [https://www.desertcart.jp/products/529057474-memory-foam-seat-cushion-for-car-seat-and-office-chair](https://www.desertcart.jp/products/529057474-memory-foam-seat-cushion-for-car-seat-and-office-chair)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-10-26*