---
product_id: 744147182
title: "TranquilRelax Memory Foam Seat Cushion for Office Chair, 3-Inch, Blue"
brand: "tranquilrelax"
price: "$66.23"
currency: USD
in_stock: true
reviews_count: 8
category: "Tranquil Relax"
url: https://www.desertcart.us/products/744147182-tranquilrelax-memory-foam-seat-cushion-for-office-chair-3-inch
store_origin: US
region: United States of America
---

# 3-inch height boost Non-slip rubber base High-density memory foam TranquilRelax Memory Foam Seat Cushion for Office Chair, 3-Inch, Blue

**Brand:** tranquilrelax
**Price:** $66.23
**Availability:** ✅ In Stock

## Summary

> 💺 Upgrade your seat, upgrade your day!

## Quick Answers

- **What is this?** TranquilRelax Memory Foam Seat Cushion for Office Chair, 3-Inch, Blue by tranquilrelax
- **How much does it cost?** $66.23 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/744147182-tranquilrelax-memory-foam-seat-cushion-for-office-chair-3-inch)

## 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

- • **Posture Perfect:** Beveled edge design promotes natural pelvic alignment, transforming any chair into an ergonomic powerhouse.
- • **Elevate Your View:** Instant 3-inch seat height boost for better visibility and reach—perfect for short drivers and office pros alike.
- • **Stay Put, Stay Fresh:** Anti-slip rubber base locks cushion in place while the breathable, removable mesh cover keeps hygiene effortless with machine washability.
- • **Versatile & Spacious:** Extra-large 17.7" x 16.1" size fits adults comfortably—ideal for office chairs, car seats, wheelchairs, and travel.
- • **Ergonomic Comfort, All Day:** Medium-firm memory foam cushions your tailbone and sciatic area, reducing pressure and back strain during marathon work sessions.

## Overview

The TranquilRelax Memory Foam Seat Cushion offers a 3-inch ergonomic height boost with high-density, medium-firm memory foam designed to reduce pressure on your tailbone and improve posture. Its beveled edges encourage proper pelvic alignment, while the non-slip rubber base ensures stability. The breathable, removable mesh cover is machine washable, making it perfect for long office hours, driving, or travel. Sized generously for adults, it’s a versatile comfort upgrade for any seating situation.

## Description

Buy TranquilRelax Memory Foam Seat Cushion for Office Chair, 3-Inch, Blue | Medium-firm Support for Long Sitting, Washable Mesh Cover, Non-slip Base, Perfect for Car Seats & Short Drivers: Back & Seat Cushions - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Love this comfortable cushion. - Exactly what I needed for my car seat. I am a vertically challenged person and was sitting on two pillows to be able to see over the hood of my car. The cushion is thick and very comfortable. I like how the end of the cushion rounds down. Nice and soft but you don’t sink into the cushion squishing it flat. I like that it has a removable washable cover. It’s easy to remove when my husband drives. I finally have a cushion that is extremely comfortable endurable.
Review: Thick and comfy! - Needed a comfortable cushion for the chair I sit in to watch TV. Nice and thick, very soft and the memory foam both supports and cushions quite comfortably. Very pleased indeed!

## Features

- 【3-Inch Height Boost & Targeted Comfort】 Instantly raise your seat height by 3 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 17.7" x 16.1", this cushion accommodates adults comfortably while providing the perfect 3-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 |
|---------------|-------|
| ASIN | B0DP9FLCCM |
| Age Range Description | Adult |
| Best Sellers Rank | #1,860 in Office Products ( See Top 100 in Office Products ) #12 in Back Cushions & Seat Cushions |
| Brand | TranquilRelax |
| Brand Name | TranquilRelax |
| Color | Blue |
| Customer Reviews | 4.3 out of 5 stars 2,198 Reviews |
| Fabric Type | 100% Polyester Mesh Cover |
| Fill Material | Memory Foam |
| Item Firmness Description | Medium Firm |
| Item Weight | 0.96 kg |
| Manufacturer | TranquilRelax |
| Manufacturer Part Number | MPN-TR0001-BU |
| Material Features | Breathable, Moisture Wicking |
| Material Type | Memory Foam |
| Material Type Free | Formaldehyde Free, Latex Free |
| Model Name | MPN-TR0001-BU |
| Model Number | MPN-TR0001-BU |
| 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 | Large |
| Special Feature | Anti-Slip, Moisture-Wicking, Portable, Removable Cover, Breathable |
| 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 |
| Unit Count | 1 Count |

## Product Details

- **Brand:** TranquilRelax
- **Color:** Blue
- **Fill Material:** Memory Foam
- **Size:** Large
- **Special Feature:** Anti-Slip, Portable, Removable Cover, Breathable

## Images

![TranquilRelax Memory Foam Seat Cushion for Office Chair, 3-Inch, Blue - Image 1](https://m.media-amazon.com/images/I/813ySmqXmhL.jpg)
![TranquilRelax Memory Foam Seat Cushion for Office Chair, 3-Inch, Blue - Image 2](https://m.media-amazon.com/images/I/81fVKUakKzL.jpg)
![TranquilRelax Memory Foam Seat Cushion for Office Chair, 3-Inch, Blue - Image 3](https://m.media-amazon.com/images/I/81rCVYGQYAL.jpg)
![TranquilRelax Memory Foam Seat Cushion for Office Chair, 3-Inch, Blue - Image 4](https://m.media-amazon.com/images/I/81VuWRzyj8L.jpg)
![TranquilRelax Memory Foam Seat Cushion for Office Chair, 3-Inch, Blue - Image 5](https://m.media-amazon.com/images/I/81DWHWwwjmL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Love this comfortable cushion.
*by L***S on June 27, 2026*

Exactly what I needed for my car seat. I am a vertically challenged person and was sitting on two pillows to be able to see over the hood of my car. The cushion is thick and very comfortable. I like how the end of the cushion rounds down. Nice and soft but you don’t sink into the cushion squishing it flat. I like that it has a removable washable cover. It’s easy to remove when my husband drives. I finally have a cushion that is extremely comfortable endurable.

### ⭐⭐⭐⭐⭐ Thick and comfy!
*by D***R on July 28, 2026*

Needed a comfortable cushion for the chair I sit in to watch TV. Nice and thick, very soft and the memory foam both supports and cushions quite comfortably. Very pleased indeed!

### ⭐⭐⭐⭐⭐ Good comforting sitting pillow
*by G***D on May 24, 2026*

Just got comfort sitting pillow. So far even though not as thick as I might have expected, it is comfortable. Your bottom feels good. Your sitting posture is improved. I think it helps to soothe legs. It's washable, has a removable cover. It's durable or firm, yet cushiony. It's a good value.

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-08-03*