---
product_id: 434809035
title: "Seat Cushion, Office Chair Cushion, Lumbar Support Pillow for Office Chair, Memory Foam Sciatica Coccyx Tailbone Pressure Pain Relief, Car Sitting Pad, Washable Non Slip"
brand: "fortem"
price: "¥33345"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/434809035-seat-cushion-office-chair-cushion-lumbar-support-pillow-for-office
store_origin: JP
region: Japan
---

# Removable, washable mesh cover for easy care 100% pure memory foam for adaptive comfort Ergonomic U-shaped cutout for pressure relief Seat Cushion, Office Chair Cushion, Lumbar Support Pillow for Office Chair, Memory Foam Sciatica Coccyx Tailbone Pressure Pain Relief, Car Sitting Pad, Washable Non Slip

**Brand:** fortem
**Price:** ¥33345
**Availability:** ✅ In Stock

## Summary

> 💺 Sit Smart, Work Better: Elevate your comfort game with FORTEM!

## Quick Answers

- **What is this?** Seat Cushion, Office Chair Cushion, Lumbar Support Pillow for Office Chair, Memory Foam Sciatica Coccyx Tailbone Pressure Pain Relief, Car Sitting Pad, Washable Non Slip by fortem
- **How much does it cost?** ¥33345 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/434809035-seat-cushion-office-chair-cushion-lumbar-support-pillow-for-office)

## Best For

- fortem enthusiasts

## Why This Product

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

## Key Features

- • **Memory Foam Magic:** Premium 100% pure memory foam contours to your body, promoting healthy posture and reducing pressure points.
- • **Effortless Maintenance:** Removable, machine-washable mesh cover keeps your cushion fresh and ready for daily use.
- • **Versatile & Portable Support:** Adjustable elastic straps let you secure it to office chairs, car seats, or wheelchairs—comfort wherever you go.
- • **Confidence Backed by Warranty:** Enjoy peace of mind with a full one-year warranty—comfort that lasts as long as you need it.
- • **Ergonomic Relief, All Day Comfort:** Designed with a U-shaped cutout to alleviate sciatica and tailbone pain, perfect for long hours at your desk or behind the wheel.

## Overview

The FORTEM Seat Cushion combines orthopedic design with premium memory foam to provide targeted relief for sciatica, tailbone, and back pain. Its ergonomic U-shaped cutout and adjustable straps make it ideal for office chairs, car seats, and wheelchairs. Featuring a removable, washable cover and backed by a one-year warranty, this cushion ensures lasting comfort and easy maintenance for professionals on the move.

## Description

FORTEM Seat Cushion, Office Chair Cushion, Lumbar Support Pillow for Office Chair, Memory Foam Sciatica Coccyx Tailbone Pressure Pain Relief, Car Sitting Pad, Washable Non Slip

## Features

- Enjoy Pain-Free Life with Ultimate Comfort – Our back support pillow is adjustable to the contours of your body, making it a great lumbar support pillow while driving or working long hours. The seat cushion for office chair is of utmost relief for coccyx/tailbone pain.
- Best Orthopedic Pillow – FORTEM chair cushion has an ergonomic "U" Shaped Cutout. This sitting pad is highly recommended by orthopedic experts as it alleviates pressure on the sciatica nerve to reduce back, leg, and butt pain. Enjoy it as an office chair cushion or as a car pillow.
- Premium Quality and Easy Maintenance – The seat cushion and lumbar support pillow for car are made from 100% pure memory foam. It helps maintain a healthy body posture by absorbing some of the pressure against your body. This half donut cushion seat and back cushion are encased in a removable, washable mesh covers.
- Versatile and Lightweight – Our lumbar support pillow for chair has adjustable elastic straps, it can also be used as a lumbar support pillow for car seat. Desk chair cushion can also work as a car seat cushion, or wheelchair cushion. Being portable, these memory foam seat cushions are your all-time travel companion.
- One-year warranty – Enjoy being driver of your favorite car, truck, or gaming on your computer to heart’s content. Your FORTEM chair pillow and seat cushion for car come with a full year warranty.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Item Dimensions L x W | 18"L x 14"W |
| Size | Large |
| Shape | Semicircular |
| Pattern | Solid |
| Color | Black Velour |
| Fabric Type | Velour |
| Material Type | Memory Foam |
| Product Care Instructions | Machine Wash |
| Recommended Uses For Product | Office, Gaming |
| Target Use Body Part | Back, Neck |
| Special Features | Removable cover |

## Product Details

- **Brand:** FORTEM
- **Special Feature:** Removable Cover
- **Color:** Black Velour
- **Size:** Large
- **Fill Material:** Memory Foam

## Images

![Seat Cushion, Office Chair Cushion, Lumbar Support Pillow for Office Chair, Memory Foam Sciatica Coccyx Tailbone Pressure Pain Relief, Car Sitting Pad, Washable Non Slip - Image 1](https://m.media-amazon.com/images/I/81cmBRHIhsL.jpg)

## Available Options

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

## Questions & Answers

**Q: what's it actually made from... the materials that is?**
A: The interior is made from memory foam. The exterior is a soft polyester-type fabric. The underside of the seat cushion is a textured, thin rubber-like material that grips the car seat well and keeps the cushion from slipping. I am quite pleased with this product, as it's comfortable to use and has helped reduce my lower back pain while driving.

**Q: Where are these products made? What country?**
A: It is, in fact, made in China. It is NOTmade in the USA.

**Q: Will it help builging discs**
A: Yes I have had three back fusions with bulging disc and my daughter has 3 of them now with no surgeries and this is amazing there is no pressure on your tailbone at all ... we use it to drive and highly recommend

**Q: how big is this cusion?**
A: 18x 14x 3 inches

## Frequently Bought Together

- FORTEM Office Chair Cushion and Back Support for Office Chair, Lumbar Support Pillow, Memory Foam, Non Slip Sitting and Back Rest for Gaming, Car Seat Cushion, Chair Pad
- BlissTrends Foot Rest for Under Desk at Work-Versatile Foot Stool with Washable Cover-Comfortable Footrest with 2 Adjustable Heights for Car,Home and Office to Relieve Back,Lumbar,Knee Pain-Black

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**Shop now:** [https://www.desertcart.jp/products/434809035-seat-cushion-office-chair-cushion-lumbar-support-pillow-for-office](https://www.desertcart.jp/products/434809035-seat-cushion-office-chair-cushion-lumbar-support-pillow-for-office)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-03-19*