---
product_id: 626936616
title: "IULULU Mattress Topper King, 3 Inch Gel Memory Foam Bed Topper, Blue"
brand: "iululu"
price: "€ 673.97"
currency: EUR
in_stock: true
reviews_count: 9
category: "Iululu"
url: https://www.desertcart.hr/products/626936616-iululu-mattress-topper-king-3-inch-gel-memory-foam-bed
store_origin: HR
region: Croatia
---

# CertiPUR-US Certified Cooling Technology 3" Gel Memory Foam IULULU Mattress Topper King, 3 Inch Gel Memory Foam Bed Topper, Blue

**Brand:** iululu
**Price:** € 673.97
**Availability:** ✅ In Stock

## Summary

> 💤 Sleep Like Royalty with Our King-Sized Comfort!

## Quick Answers

- **What is this?** IULULU Mattress Topper King, 3 Inch Gel Memory Foam Bed Topper, Blue by iululu
- **How much does it cost?** € 673.97 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/626936616-iululu-mattress-topper-king-3-inch-gel-memory-foam-bed)

## Best For

- iululu enthusiasts

## Why This Product

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

## Key Features

- • **Easy Setup:** Unbox, unroll, and relax—setup is a breeze with our convenient packaging.
- • **Durable Quality:** CertiPUR-US certified for peace of mind, ensuring long-lasting performance.
- • **Pressure Relief:** Say goodbye to tossing and turning; our topper adapts to your body for perfect support.
- • **Stay Cool All Night:** Ventilated design keeps you cool and dry, ensuring a restful sleep.
- • **Transform Your Sleep:** Experience the ultimate comfort with our 3-inch gel memory foam topper.

## Overview

The 3 Inch Gel Memory Foam Mattress Topper is designed to enhance your sleep experience with its cooling gel-infused memory foam, providing pressure relief and support. CertiPUR-US certified for quality assurance, this king-sized topper is easy to set up and maintain, making it a practical addition to any bedroom.

## Description

Buy IULULU Mattress Topper King, 3 Inch Gel Memory Foam Bed Topper, Blue | Topper for Twin Size Bed, Soft Comfy Breathable for Sleeper, CertiPUR-US Certified: Mattress Toppers - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Transformed my old mattress and improved my sleep! - I am very happy with this mattress topper and consider it one of the best purchases I've made for my sleep. I bought it to add comfort to an old, stiff mattress that was becoming increasingly uncomfortable, and the difference was noticeable right away. I typically struggle with back pain, which often makes it difficult to fall asleep and stay comfortable throughout the night. Since adding this mattress topper, I've been sleeping much better. It provides the perfect amount of cushioning and support, helping to relieve pressure on my back and making my bed feel much more comfortable. The topper was easy to set up, fits well on my mattress, and has held its shape nicely. Instead of replacing my entire mattress, this topper gave it new life at a fraction of the cost. If you have an older mattress or deal with back discomfort while sleeping, I highly recommend giving this mattress topper a try. It has made a tremendous difference in my sleep quality and overall comfort.
Review: The BEST Mattress Topper Ever. - I’ve had this mattress topper for 1.5 yrs and it is so durable. This is the most comfortable my bed has ever been! I wanted to save money on a mattress, so mine is just plain old springs. To make sure I got the best sleep possible, I started looking into memory foam mattress toppers and I am SO GLAD I picked this one. It’s almost too good to be true. Every time I wake up in the morning I don’t want to leave my bed! My body quite literally melts into this mattress topper, but not excessively where I’m uncomfortable. It’s the perfect balance for me. I don’t sink too much, but just enough to feel relaxed and at peace in my bed. If you have back problems, I would suggest you buy this. While not the remedy for any extreme back pain, I’ve noticed that with my mild back issues it is perfect for a good-night’s rest. In the past, old mattresses without a topper such as this one gave me really bad back pain in the morning. It supports my body perfectly. I personally have a mattress cover over the foam cover so I haven’t tried washing it, but I would say the full size one is way too large to fit in any type of washer. Speaking of size, this topper is definitely true to size so it fit my full size mattress perfectly. However, I’d keep in mind you may have to size up a bit in terms of sheets with this mattress topper on (I have a full size but with the topper I use queen size sheets).

## Features

- 【Gel Memory Foam Mattress Topper】Crafted with gel-infused memory foam, this king mattress topper offers a cool and comfortable sleeping surface. Additionally, its ventilated design, featuring air holes, assists in absorbing moisture and sweat from your body, preventing them from penetrating the mattress.
- 【Pressure Relief】If you find yourself tossing and turning due to the firmness of your mattress, the addition of a topper could significantly enhance your sleep quality. Designed with slow-rebound and high-density memory foam, this king-sized mattress topper adapts to your body shape, provides comprehensive body support, and alleviates pressure in key areas. Rest assured, our memory foam is CertiPUR-US Certified, ensuring durability, performance, and content quality.
- 【3-Inch Optimal Comfort & Support】 The most popular thickness, designed to evenly distribute body weight and relieve pressure on shoulders and hips. This 3-inch mattress topper provides the perfect balance of contouring comfort and stable support, making it ideal for back and side sleepers seeking everyday comfort improvement.
- 【Easy Set up】Compressed into a single box for convenient shipping and easy maneuvering into your bedroom, this king-sized mattress topper simplifies the delivery process. Upon receiving your topper, simply unbox, unroll, and allow it to sit in a well-ventilated space for 48-72 hours to achieve full expansion. Note that in lower temperatures, additional time may be required for complete expansion.
- 【Practical Mattress Topper】Enhance your night's sleep by placing this mattress topper on your bed for an even comfier experience. Not only does it contribute to your comfort, but it also helps maintain the condition of your mattress. Easily removable, you can take it out of bed and air the entire setup.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CWRC1XN7 |
| Age Range Description | Adult |
| Best Sellers Rank | #11,100 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #46 in Mattresses Toppers |
| Brand | IULULU |
| Brand Name | IULULU |
| Closure Type | Pull On |
| Color | Blue |
| Customer Reviews | 4.4 out of 5 stars 9,176 Reviews |
| Fabric Type | Gel Memory Foam |
| Included Components | Mattress Topper only |
| Item Highlight | Topper for Twin Size Bed, Soft Comfy Breathable for Sleeper, CertiPUR-US Certified |
| Item Type Name | Memory Foam Mattress Topper |
| Item Weight | 13 pounds |
| Manufacturer | IULULU |
| Manufacturer Part Number | NJMF-3K |
| Material Type | Memory Foam |
| Model Name | mattress topper |
| Model Number | NJMF-3K |
| Number of Items | 1 |
| Number of Packs | 1 |
| Other Special Features of the Product | Cooling |
| Product Care Instructions | Spot Clean Only |
| Size | King |
| Special Feature | Cooling |
| UPC | 755752608553 |
| Unit Count | 1 Count |
| Water Resistance Level | Not Water Resistant |

## Product Details

- **Brand:** IULULU
- **Color:** Blue
- **Size:** King
- **Fabric Type:** Memory Foam
- **Special Feature:** Cooling

## Images

![IULULU Mattress Topper King, 3 Inch Gel Memory Foam Bed Topper, Blue - Image 1](https://m.media-amazon.com/images/I/71GQQX5XuiL.jpg)
![IULULU Mattress Topper King, 3 Inch Gel Memory Foam Bed Topper, Blue - Image 2](https://m.media-amazon.com/images/I/714AM8lb-hL.jpg)
![IULULU Mattress Topper King, 3 Inch Gel Memory Foam Bed Topper, Blue - Image 3](https://m.media-amazon.com/images/I/71D3nvL3iaL.jpg)
![IULULU Mattress Topper King, 3 Inch Gel Memory Foam Bed Topper, Blue - Image 4](https://m.media-amazon.com/images/I/7160SFAO+eL.jpg)
![IULULU Mattress Topper King, 3 Inch Gel Memory Foam Bed Topper, Blue - Image 5](https://m.media-amazon.com/images/I/716HPJ5ZYuL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Transformed my old mattress and improved my sleep!
*by L***N on June 6, 2026*

I am very happy with this mattress topper and consider it one of the best purchases I've made for my sleep. I bought it to add comfort to an old, stiff mattress that was becoming increasingly uncomfortable, and the difference was noticeable right away. I typically struggle with back pain, which often makes it difficult to fall asleep and stay comfortable throughout the night. Since adding this mattress topper, I've been sleeping much better. It provides the perfect amount of cushioning and support, helping to relieve pressure on my back and making my bed feel much more comfortable. The topper was easy to set up, fits well on my mattress, and has held its shape nicely. Instead of replacing my entire mattress, this topper gave it new life at a fraction of the cost. If you have an older mattress or deal with back discomfort while sleeping, I highly recommend giving this mattress topper a try. It has made a tremendous difference in my sleep quality and overall comfort.

### ⭐⭐⭐⭐⭐ The BEST Mattress Topper Ever.
*by C***Z on March 10, 2026*

I’ve had this mattress topper for 1.5 yrs and it is so durable. This is the most comfortable my bed has ever been! I wanted to save money on a mattress, so mine is just plain old springs. To make sure I got the best sleep possible, I started looking into memory foam mattress toppers and I am SO GLAD I picked this one. It’s almost too good to be true. Every time I wake up in the morning I don’t want to leave my bed! My body quite literally melts into this mattress topper, but not excessively where I’m uncomfortable. It’s the perfect balance for me. I don’t sink too much, but just enough to feel relaxed and at peace in my bed. If you have back problems, I would suggest you buy this. While not the remedy for any extreme back pain, I’ve noticed that with my mild back issues it is perfect for a good-night’s rest. In the past, old mattresses without a topper such as this one gave me really bad back pain in the morning. It supports my body perfectly. I personally have a mattress cover over the foam cover so I haven’t tried washing it, but I would say the full size one is way too large to fit in any type of washer. Speaking of size, this topper is definitely true to size so it fit my full size mattress perfectly. However, I’d keep in mind you may have to size up a bit in terms of sheets with this mattress topper on (I have a full size but with the topper I use queen size sheets).

### ⭐⭐⭐⭐⭐ So comfortable, affordable and better than expected
*by T***. on December 15, 2025*

We were able to spend a couple nights with this topper when staying with friends, but trust these reviews, it is so worth it! Instructions said to let it expand for at least 48 hours, but this topper puffed up to the full 3 inches in only a couple hours when we laid it out on the bed. Fortunately there was no smell at all to off gas, which we were a bit concerned about. I noticed some reviews showed the topper getting a rip in it, one person said the manufacturer recommended using a topper cover, which we did buy at the same time. I already assumed we'd need to protect the topper from dirt, body odor and rips, and I reviewed the cover separately (also 5 stars!). After putting the cover on, we were able to sleep on it the same night. Boy what a difference! The support is so luxurious. You might think a foam of this type would sleep hot, but it really wasn't. I prefer a cool room with a comforter, and this topper prevents overheating with it's gel and the vent holes throughout. It reduced my tossing and turning through the night, and also dampened any bounce transfer when getting up, so not waking my partner. Within an hour of both of us getting up, the topper had returned to its full shape with no dents remaining. You may need to buy deeper sheets, but we had them already for the existing mattress. I did pull a footstool up to the head of the bed because the frame was already high, now it's really 'elevated' lol. at $51 it was much more affordable than I expected, even when adding the price of the cover.

## Frequently Bought Together

- Mattress Topper King, 3 Inch Gel Memory Foam Bed Topper for King Size Bed, CertiPUR-US Certified, Blue
- Utopia Bedding Waterproof Mattress Protector King Size, Premium Terry Mattress Cover 200 GSM, Breathable, Fitted Style with Stretchable Pockets (White)
- FDW 10 inch King Mattress Size/Gel Memory Foam Mattress/Medium Firm Mattresses for Cool Sleep Relieving Pressure Relief CertiPUR-US Certified Mattress in a Box

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-09-05*