---
product_id: 713212998
title: "Ergo21 LiquiCell Coccyx Seat Cushion for Wheelchair, Office Chair, Car, Tailbone Pain Relief, Lower Back & Sciatica Buttock Pain, Coccyx Pillow for Sitting (17.5\" W x 15.5\" L x 2\" H)"
brand: "ergo21"
price: "VT81818"
currency: VUV
in_stock: true
url: https://www.desertcart.vu/products/713212998-ergo21-liquicell-coccyx-seat-cushion-for-wheelchair-office-chair-car
store_origin: VU
region: Vanuatu
---

# LiquiCell technology Tailbone relief 4 size options Ergo21 LiquiCell Coccyx Seat Cushion for Wheelchair, Office Chair, Car, Tailbone Pain Relief, Lower Back & Sciatica Buttock Pain, Coccyx Pillow for Sitting (17.5" W x 15.5" L x 2" H)

**Brand:** ergo21
**Price:** VT81818
**Availability:** ✅ In Stock

## Summary

> 🛋️ Sit Smart, Live Well!

## Quick Answers

- **What is this?** Ergo21 LiquiCell Coccyx Seat Cushion for Wheelchair, Office Chair, Car, Tailbone Pain Relief, Lower Back & Sciatica Buttock Pain, Coccyx Pillow for Sitting (17.5" W x 15.5" L x 2" H) by ergo21
- **How much does it cost?** VT81818 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/713212998-ergo21-liquicell-coccyx-seat-cushion-for-wheelchair-office-chair-car)

## Best For

- ergo21 enthusiasts

## Why This Product

- Trusted ergo21 brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Stay Active:** Reduce fatigue and numbness, allowing you to sit longer and more comfortably.
- • **Size Matters:** Available in four sizes to perfectly fit your chair or car seat, ensuring optimal support.
- • **Versatile Use:** Perfect for home, office, cars, and more—your go-to cushion for any seating situation.
- • **Comfort Redefined:** Experience unparalleled tailbone relief with our innovative rear cut-out design.
- • **Advanced Technology:** Four patent-pending LiquiCell membranes enhance blood flow and circulation.

## Overview

The Ergo21 LiquiCell Coccyx Seat Cushion is designed to alleviate tailbone pain and enhance comfort while sitting. With a unique rear cut-out and four sizes available, it caters to various body types and seating arrangements. The innovative LiquiCell technology promotes blood circulation, making it ideal for prolonged use in offices, cars, and more.

## Description

Ergo21 LiquiCell Coccyx Seat Cushion for Wheelchair, Office Chair, Car, Tailbone Pain Relief, Lower Back & Sciatica Buttock Pain, Coccyx Pillow for Sitting (17.5" W x 15.5" L x 2" H)

## Features

- Special rear cut out helps to relieve pressure points under tail bone - 4 Sizes Available. Regular is for less than 175 lbs. + or smaller chairs. Large is for 175 Lbs. + Large Deluxe is for 200lbs + and Extra Large for 225 lbs. + Tip: You may also want to measure your Chair or Car Seat. If your seat is large enough, then you may want to order the Larger Sizes
- Uses: Home, Office, Cars, Trucks, Recliners, Meditation, Wheelchair, Recreation, Concerts, and more.
- Reduce fatigue, numbness & tail burn - Enjoy sitting for longer periods of time with the four-patent pending LiquiCell membranes to improve blood flow and circulation to prevent sores and skin breakdown from vertical pressure.
- Ultra-thin cells contain liquid that's in constant motion allowing your body to glide and float - non-skid gripping bottom with carry handle.
- An aid for buttock pain, hip pain, groin pain, leg pain, sciatica, and other issues involving sitting

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Ergo21 |
| Model Number | 103-coccyxCushionRegular |
| Colour | Black |
| Product Dimensions | 43.18 x 39.37 x 5.08 cm; 680.39 g |
| Material | Foam |
| Special Features | Lightweight |
| Item Weight | 680 g |

## Product Details

- **Brand:** Ergo21
- **Special feature:** Lightweight
- **Colour:** Black
- **Size:** Regular - 17" x 15.5" x 2"
- **Fill material:** Foam

## Images

![Ergo21 LiquiCell Coccyx Seat Cushion for Wheelchair, Office Chair, Car, Tailbone Pain Relief, Lower Back & Sciatica Buttock Pain, Coccyx Pillow for Sitting (17.5" W x 15.5" L x 2" H) - Image 1](https://m.media-amazon.com/images/I/71lU3HcAVWL.jpg)
![Ergo21 LiquiCell Coccyx Seat Cushion for Wheelchair, Office Chair, Car, Tailbone Pain Relief, Lower Back & Sciatica Buttock Pain, Coccyx Pillow for Sitting (17.5" W x 15.5" L x 2" H) - Image 2](https://m.media-amazon.com/images/I/71X3bpJot6L.jpg)
![Ergo21 LiquiCell Coccyx Seat Cushion for Wheelchair, Office Chair, Car, Tailbone Pain Relief, Lower Back & Sciatica Buttock Pain, Coccyx Pillow for Sitting (17.5" W x 15.5" L x 2" H) - Image 3](https://m.media-amazon.com/images/I/814f8t3bnIL.jpg)
![Ergo21 LiquiCell Coccyx Seat Cushion for Wheelchair, Office Chair, Car, Tailbone Pain Relief, Lower Back & Sciatica Buttock Pain, Coccyx Pillow for Sitting (17.5" W x 15.5" L x 2" H) - Image 4](https://m.media-amazon.com/images/I/81hznTjkTHL.jpg)
![Ergo21 LiquiCell Coccyx Seat Cushion for Wheelchair, Office Chair, Car, Tailbone Pain Relief, Lower Back & Sciatica Buttock Pain, Coccyx Pillow for Sitting (17.5" W x 15.5" L x 2" H) - Image 5](https://m.media-amazon.com/images/I/81iJLfpLj8L.jpg)

---

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**Shop now:** [https://www.desertcart.vu/products/713212998-ergo21-liquicell-coccyx-seat-cushion-for-wheelchair-office-chair-car](https://www.desertcart.vu/products/713212998-ergo21-liquicell-coccyx-seat-cushion-for-wheelchair-office-chair-car)

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*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-02-14*