---
product_id: 600734236
title: "4.5 Inch Cold Gel Memory Foam Mattress Replacement for Sleeper Sofa and Couch Beds - Queen Size CertiPUR-US Certified (Sofa Not Included)"
brand: "rhyme source"
price: "€ 387.40"
currency: EUR
in_stock: true
reviews_count: 8
category: "Rhyme Source"
url: https://www.desertcart.fr/products/600734236-4-5-inch-cold-gel-memory-foam-mattress-replacement-sleeper
store_origin: FR
region: France
---

# 4.5-inch thickness for balanced comfort Cooling gel layer for heat dissipation Queen size fits most sleeper sofas 4.5 Inch Cold Gel Memory Foam Mattress Replacement for Sleeper Sofa and Couch Beds - Queen Size CertiPUR-US Certified (Sofa Not Included)

**Brand:** rhyme source
**Price:** € 387.40
**Availability:** ✅ In Stock

## Summary

> ❄️ Sleep Cooler, Live Better: The Ultimate Sofa Bed Upgrade

## Quick Answers

- **What is this?** 4.5 Inch Cold Gel Memory Foam Mattress Replacement for Sleeper Sofa and Couch Beds - Queen Size CertiPUR-US Certified (Sofa Not Included) by rhyme source
- **How much does it cost?** € 387.40 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fr](https://www.desertcart.fr/products/600734236-4-5-inch-cold-gel-memory-foam-mattress-replacement-sleeper)

## Best For

- rhyme source enthusiasts

## Why This Product

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

## Key Features

- • **Stay Cool All Night:** Innovative cold gel memory foam actively dissipates heat, keeping you refreshed and sweat-free.
- • **Certified Safe & Durable:** OEKO-TEX and CertiPUR-US certified for non-toxic, long-lasting comfort you can trust.
- • **Pressure-Relief Powerhouse:** High-density foam contours to your body, easing pressure points for deep restorative sleep.
- • **Versatile Comfort Anywhere:** Ideal for sofas, campers, boats, or even floor use—comfort that moves with your lifestyle.
- • **Perfect Fit, Instant Upgrade:** Tailored 72"L x 58"W queen size fits seamlessly on your sleeper sofa or couch bed.

## Overview

The Rhyme Source 4.5 Inch Cold Gel Memory Foam Mattress Replacement is a queen-sized, medium-firm mattress designed specifically for sleeper sofas and couch beds. Featuring a 2-inch cooling gel memory foam layer atop a 2.5-inch firm polyurethane base, it offers superior pressure relief and temperature regulation. Certified by OEKO-TEX and CertiPUR-US, this durable mattress ensures safe, long-lasting comfort. Vacuum packed for easy transport, it’s versatile enough for use in campers, boats, or directly on the floor.

## Description

Buy Rhyme source 4.5 Inch Cold Gel Memory Foam Mattress Replacement for Sleeper Sofa and Couch Beds - Queen Size CertiPUR-US Certified (Sofa Not Included): Mattresses - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Quality Product and Fit - This product fits perfectly on a queen size sleeper sofa and is very comfortable.
Review: Comfortable Mattress - The mattress arrived quickly and fit perfectly. Once it inflated to full thickness the mattress is very comfortable. Our folding sofa bed folded up with no problems.

## Features

- Queen size pull-out mattress measures 72"L x 58"W x 4.5"TH. The mattress is vacuum packed for easy transportation to family and friends. Please allow 24 to 72 hours for the mattress to return to its full shape, ensuring you enjoy quality sleep
- Cold Gel Memory foam mattresses offer superior pressure relief and support by conforming to the body's pressure points.which involves incorporating a gel layer in the mattress to dissipate and absorb body heat. This effectively lowers the surface temperature of the mattress, delivering a cooler sleeping experience
- Gel Memory foam mattresses are made of high-density memory foam, providing exceptional durability and longevity. has passed the OEKO-TEX certification CertiPUR-US certification.They retain their shape and resilience over time, delivering consistent support and comfort, thus extending the lifespan of the mattress
- Our memory mattresses are not only suitable for folding sofa beds, but also compatible with other furniture or boats, campers&RVs. They can also be directly placed on the floor for use, suitable for various places you want
- Memory Foam Sleeper Sofa bed Mattress combines a 2.5in firm polyurethane foam base with a 2in gel memory foam，memory foam mattresses are highly temperature-sensitive and adjust their firmness based on body heat. They become softer and more contouring to the body's curves, providing additional support and comfort

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Best Sellers Rank | #53,520 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #239 in Mattresses |
| Brand | Rhyme source |
| Cover Material | Polyester |
| Customer Reviews | 4.2 out of 5 stars 441 Reviews |
| Item Firmness Description | Medium |
| Product Dimensions | 72"L x 58"W x 4.5"Th |
| Size | Queen |
| Top Style | Gel Top |

## Product Details

- **Brand:** Rhyme source
- **Cover Material:** Polyester
- **Fill Material:** Gel Memory Foam, High Density Foam, Memory Foam, foam
- **Item Firmness Description:** Medium
- **Number of Layers:** 2
- **Product Dimensions:** 72"L x 58"W x 4.5"Th
- **Size:** Queen
- **Special Feature:** Washable Material
- **Top Style:** Gel Top
- **Weight Limit:** 500 Pounds

## Images

![4.5 Inch Cold Gel Memory Foam Mattress Replacement for Sleeper Sofa and Couch Beds - Queen Size CertiPUR-US Certified (Sofa Not Included) - Image 1](https://m.media-amazon.com/images/I/61hcRa2Yt-L.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Quality Product and Fit
*by A***R on December 21, 2025*

This product fits perfectly on a queen size sleeper sofa and is very comfortable.

### ⭐⭐⭐⭐⭐ Comfortable Mattress
*by J***H on January 14, 2026*

The mattress arrived quickly and fit perfectly. Once it inflated to full thickness the mattress is very comfortable. Our folding sofa bed folded up with no problems.

### ⭐⭐⭐⭐ Good Buy
*by J***N on January 10, 2026*

Very comfortable

## Frequently Bought Together

- Rhyme source 4.5 Inch Cold Gel Memory Foam Sofa Bed Mattress Replacement for Sleeper Sofa and Couch Beds Queen Size Sofa CertiPUR-US Certified (Sofa Not Included)
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*Product available on Desertcart France*
*Store origin: FR*
*Last updated: 2026-01-26*