---
product_id: 592088451
title: "4.5 Inch Cold Gel Memory Foam Mattress Replacement for Sleeper Sofa and Couch Beds - Full Size CertiPUR-US Certified (Sofa Not Included)"
brand: "rhyme source"
price: "NT$34172"
currency: TWD
in_stock: false
reviews_count: 5
category: "Rhyme Source"
url: https://www.desertcart.tw/products/592088451-4-5-inch-cold-gel-memory-foam-mattress-replacement-sleeper
store_origin: TW
region: Taiwan
---

# 4.5-inch thickness for balanced comfort Cooling gel layer reduces heat buildup CertiPUR-US & OEKO-TEX certified safe foam 4.5 Inch Cold Gel Memory Foam Mattress Replacement for Sleeper Sofa and Couch Beds - Full Size CertiPUR-US Certified (Sofa Not Included)

**Brand:** rhyme source
**Price:** NT$34172
**Availability:** ❌ Out of Stock

## Summary

> ❄️ Sleep Cooler, Live Better: Upgrade Your Sofa Bed Game!

## Quick Answers

- **What is this?** 4.5 Inch Cold Gel Memory Foam Mattress Replacement for Sleeper Sofa and Couch Beds - Full Size CertiPUR-US Certified (Sofa Not Included) by rhyme source
- **How much does it cost?** NT$34172 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/592088451-4-5-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

- • **Durability Meets Comfort:** High-density foam base combined with gel memory foam ensures long-lasting support and pressure relief.
- • **Stay Cool All Night Long:** Innovative cold gel memory foam dissipates heat, keeping you refreshed and sweat-free.
- • **Versatile Use Beyond Sofas:** Ideal for couches, boats, campers, or even direct floor use—comfort wherever you go.
- • **Certified Safe & Eco-Friendly:** OEKO-TEX and CertiPUR-US certifications guarantee non-toxic, eco-conscious sleep.
- • **Perfect Fit for Full-Size Sleeper Sofas:** 73"L x 52"W x 4.5"TH mattress designed to upgrade your pull-out bed instantly.

## Overview

This 4.5-inch full-size mattress replacement features a 2-inch cooling gel memory foam layer atop a 2.5-inch firm polyurethane base, delivering superior pressure relief and temperature regulation. Vacuum-packed for easy transport, it’s CertiPUR-US and OEKO-TEX certified for safety and durability, making it a versatile upgrade for sleeper sofas, couches, RVs, and more.

## Description

2-inch Gel Memory Foamand a 2.5-inch foam support base

Review: Colchón firme y resistente. Ptotege bien de la estructura metálica del sofá.
Review: Matelas très confortable pour un divan-lit. Par contre il est préférable de mettre un sous matelas rigide pliable.

## Features

- Full size pull-out mattress measures 73"L x 52"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 | B0CLV712F3 |
| Best Sellers Rank | #246,664 in Home ( See Top 100 in Home ) #1,679 in Mattresses |
| Brand | Rhyme source |
| Color | White |
| Customer Reviews | 4.2 4.2 out of 5 stars (443) |
| Date First Available | 2 December 2023 |
| Item Weight | 11.2 Kilograms |
| Material | Foam |
| Product Dimensions | 185.42 x 132.08 x 11.43 cm; 11.2 kg |
| Special Features | Washable Material |

## Product Details

- **Brand:** Rhyme source
- **Colour:** White
- **Cover material:** Polyester
- **Fill material:** Gel Memory Foam, Memory Foam, foam
- **Item firmness description:** Medium
- **Number of layers:** 2
- **Product dimensions:** 185.4L x 132.1W x 11.4Th centimeters
- **Size:** Full
- **Special features:** Washable Material
- **Top style:** Gel Top

## Images

![4.5 Inch Cold Gel Memory Foam Mattress Replacement for Sleeper Sofa and Couch Beds - Full Size CertiPUR-US Certified (Sofa Not Included) - Image 1](https://m.media-amazon.com/images/I/61CdSXHLn7L.jpg)
![4.5 Inch Cold Gel Memory Foam Mattress Replacement for Sleeper Sofa and Couch Beds - Full Size CertiPUR-US Certified (Sofa Not Included) - Image 2](https://m.media-amazon.com/images/I/61hcRa2Yt-L.jpg)
![4.5 Inch Cold Gel Memory Foam Mattress Replacement for Sleeper Sofa and Couch Beds - Full Size CertiPUR-US Certified (Sofa Not Included) - Image 3](https://m.media-amazon.com/images/I/71ImwOzCjLL.jpg)
![4.5 Inch Cold Gel Memory Foam Mattress Replacement for Sleeper Sofa and Couch Beds - Full Size CertiPUR-US Certified (Sofa Not Included) - Image 4](https://m.media-amazon.com/images/I/71TqSqheeaL.jpg)
![4.5 Inch Cold Gel Memory Foam Mattress Replacement for Sleeper Sofa and Couch Beds - Full Size CertiPUR-US Certified (Sofa Not Included) - Image 5](https://m.media-amazon.com/images/I/71uziXtdIGL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by B***A on 22 September 2025*

Colchón firme y resistente. Ptotege bien de la estructura metálica del sofá.

### ⭐⭐⭐⭐⭐ Review
*by M***L on 12 August 2025*

Matelas très confortable pour un divan-lit. Par contre il est préférable de mettre un sous matelas rigide pliable.

### ⭐⭐⭐⭐⭐ Review
*by J***H on 14 January 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.

## Frequently Bought Together

- Rhyme Source 4.5 Inch Cold Gel Memory Foam Sofa Bed Mattress Replacement, Full Size, Blue, Medium Firmness
- Meliusly Heavy Duty Sleeper Sofa Support Board (48x48 - Full Size) Reinforced Wood Sofa Bed Support, Pull Out Couch Mattress Board, Sleeper Bar Shield, SleeperSaver
- Sleep Philosophy Waterproof Sofa Bed Mattress Protector, Holden Sofa Bed Full Mattress Pad, 3M Scotchgard, Microfiber Mattress Topper Fitted Elastic Pocket Fits Up to 8 Inch, Full 54x72, White

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**Shop now:** [https://www.desertcart.tw/products/592088451-4-5-inch-cold-gel-memory-foam-mattress-replacement-sleeper](https://www.desertcart.tw/products/592088451-4-5-inch-cold-gel-memory-foam-mattress-replacement-sleeper)

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*Product available on Desertcart Taiwan*
*Store origin: TW*
*Last updated: 2026-02-05*