---
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: "€ 758.89"
currency: EUR
in_stock: true
reviews_count: 13
category: "Rhyme Source"
url: https://www.desertcart.be/products/600734236-4-5-inch-cold-gel-memory-foam-mattress-replacement-sleeper
store_origin: BE
region: Belgium
---

# 72"L x 58"W x 4.5"TH queen size Cooling gel layer for heat dissipation CertiPUR-US & OEKO-TEX certified durability 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:** € 758.89
**Availability:** ✅ In Stock

## Summary

> ❄️ Sleep Cooler, Live Better: Upgrade Your Sofa Bed to Luxury Comfort!

## 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?** € 758.89 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/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, ensuring a refreshing, sweat-free sleep experience even in warm rooms.
- • **Pressure-Relief Powerhouse:** High-density memory foam contours precisely to your body’s pressure points, reducing aches and promoting spinal alignment.
- • **Versatile Comfort Anywhere:** Lightweight, foldable, and vacuum-packed for easy transport—perfect for sofas, campers, boats, or even floor use.
- • **Perfect Fit, Instant Upgrade:** Queen size mattress designed to seamlessly replace your sleeper sofa mattress for a flawless fit and elevated comfort.
- • **Durability Meets Clean Living:** Certified safe and long-lasting materials with OEKO-TEX and CertiPUR-US seals, giving you peace of mind and lasting comfort.

## Overview

This 4.5-inch queen size cold gel memory foam mattress replacement combines a 2-inch cooling gel memory foam layer with a 2.5-inch firm polyurethane base to deliver superior pressure relief and temperature regulation. Certified by CertiPUR-US and OEKO-TEX, it ensures durability, safety, and consistent support. Vacuum packed for easy transport, it fits most sleeper sofas and is versatile enough for use in campers, boats, or on the floor, making it the smart upgrade for millennial professionals seeking comfort and convenience.

## 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: 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.
Review: No Springs Here! - We’ve had a queen sleeper sofa in our den for many years now, mostly used in emergency situations. It was not the most comfortable because it was a mattress full of springs. When I recently got sick and had to limit use of the stairs, my daughter suggested replacing the mattress and it was the best thing I could have done. No Springs Here! I have to admit it is as comfortable, if not more so, than our primary mattress and adjustable bed that we spent thousands of dollars on. It has a bit of memory foam with a gel that actually does keep you cool. I’ve slept on the mattress with and without a board placed between the mattress and the metal poles and I could not feel the poles of the bed in either case. I don’t usually write recommendations, but I am so pleased with this mattress that brought my sleeper sofa into what feels like a luxury bed for me. I have not been able to stop telling my family and friends about this mattress, so thought I should share with you.

## 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 |
|---------------|-------|
| ASIN | B0CLV7G91M |
| Additional Features | Washable Material |
| Age Range Description | Adult |
| Best Sellers Rank | #73,358 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #246 in Mattresses |
| Brand Name | Rhyme source |
| Color | White |
| Construction Type | Memory Foam |
| Cover Material | Polyester |
| Customer Reviews | 4.2 4.2 out of 5 stars (477) |
| Fill Material | Gel Memory Foam, High Density Foam, Memory Foam, foam |
| Is Customizable? | No |
| Is Electric | No |
| Is Foldable | Yes |
| Item Depth | 4.5 inches |
| Item Dimensions | 72 x 58 x 4.5 inches |
| Item Dimensions L x W x Thickness | 72"L x 58"W x 4.5"Th |
| Item Firmness Description | Medium |
| Manufacturer | Jinying10 |
| Material Type | Gel Foam, Memory Foam |
| Mattress Comfort Layer Material | Gel Memory Foam |
| Model Name | 4.5 Inch Cold Gel Memory Foam Sofa Bed Mattress Replacement |
| Model Number | 4.5 Inch |
| Number of Layers | 2 |
| Portable | Yes |
| Product Benefits | Superior pressure relief and support, maintaining proper spinal alignment |
| Product Care Instructions | Hand Wash Only, Machine Wash |
| Size | Queen |
| Style Name | Contemporary |
| Weight Capacity Maximum | 500 Pounds |
| 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

### ⭐⭐⭐⭐⭐ 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.

### ⭐⭐⭐⭐⭐ No Springs Here!
*by E***0 on May 5, 2025*

We’ve had a queen sleeper sofa in our den for many years now, mostly used in emergency situations. It was not the most comfortable because it was a mattress full of springs. When I recently got sick and had to limit use of the stairs, my daughter suggested replacing the mattress and it was the best thing I could have done. No Springs Here! I have to admit it is as comfortable, if not more so, than our primary mattress and adjustable bed that we spent thousands of dollars on. It has a bit of memory foam with a gel that actually does keep you cool. I’ve slept on the mattress with and without a board placed between the mattress and the metal poles and I could not feel the poles of the bed in either case. I don’t usually write recommendations, but I am so pleased with this mattress that brought my sleeper sofa into what feels like a luxury bed for me. I have not been able to stop telling my family and friends about this mattress, so thought I should share with you.

### ⭐⭐⭐⭐ 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)
- Meliusly® Sleeper Sofa Support Board (48x60 Queen Size) - Sleeper Sofa Support for Sofa Bed, Sleep Sofa Bar Shield for Sofa Bed or Pullout Couch, Cushion Bar Sofa Bed Mattress Support Board Slats
- Sleep Philosophy Waterproof Sofa Bed Mattress Protector, Holden Sofa Bed Queen Mattress Pad, 3M Scotchgard, Microfiber Mattress Topper Fitted Elastic Pocket Fits Up to 8 Inch, Queen 60x72, White

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*Product available on Desertcart Belgium*
*Store origin: BE*
*Last updated: 2026-04-23*