FOLVUTY 4” King Size Firm Memory Foam Mattress Topper with Cooling Gel, Removable Washable Cover, Pressure Relief, Non-Slip, CertiPUR-US, Black
FOLVUTY 4” King Size Firm Memory Foam Mattress Topper with Cooling Gel, Removable Washable Cover, Pressure Relief, Non-Slip, CertiPUR-US, Black
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FOLVUTY 4” King Size Firm Memory Foam Mattress Topper with Cooling Gel, Removable Washable Cover, Pressure Relief, Non-Slip, CertiPUR-US, Black

33 ratings
FOLVUTY 4” King Size Firm Memory Foam Mattress Topper with Cooling Gel, Removable Washable Cover, Pressure Relief, Non-Slip, CertiPUR-US, BlackFOLVUTY 4 King Size Firm Memory Foam Mattress Topper with Cooling Gel Removable Washable Cover Pressure Relief Non Slip CertiPUR US BlackFOLVUTY 3 inch Twin Firm Mattress Topper Removable Washable Cover Cooling Gel Memory Foam Mattress Topper Non Slip Pressure Relief CertiPUR US BlackFOLVUTY 3 inch Queen Firm Memory Foam Mattress Topper with Cooling Gel Removable Washable Cover Pressure Relief Non Slip CertiPUR US BlackFOLVUTY 3 inch Full Firm Mattress Topper Removable Washable Cover Cooling Gel Memory Foam Mattress Topper Non Slip Pressure Relief CertiPUR US BlackFOLVUTY 4 inch Twin Firm Mattress Topper Removable Washable Cover Cooling Gel Memory Foam Mattress Topper Non Slip Pressure Relief CertiPUR US BlackFOLVUTY 3 King Size Firm Memory Foam Mattress Topper with Cooling Gel Removable Washable Cover Pressure Relief Non Slip CertiPUR US BlackFOLVUTY 4 inch Queen Firm Memory Foam Mattress Topper with Cooling Gel Removable Washable Cover Pressure Relief Non Slip CertiPUR US Black
Bed SizeKing
Thickness4 in

Key item features

  • 【Firm Support Designed for Real Back Support】This 4 inch thick mattress features a 45D high-density foam core, creating a truly stable sleep surface. Unlike soft toppers that lose support over time, this firm mattress topper helps reduce mattress sagging and supports healthy spinal alignment. Ideal for heavier sleepers, office workers, and anyone who wakes up with lower-back or hip discomfort and wants reliable, long-lasting support.
  • 【Cooling Gel Comfort That Does Not Trap Heat】The cooling mattress topper combines gel-infused memory foam with a perforated ventilation structure to actively improve airflow and release trapped heat. This design keeps the surface cooler and more breathable, helping warm sleepers stay comfortable through the night without the stuffy feeling common in dense foam toppers.
  • 【Cleaner Sleep with Bamboo Charcoal Foam and Washable Cover】Bamboo charcoal fibers are infused into the high density foam core to help absorb unwanted odors and support a fresher sleep environment over time. Paired with a soft, hypoallergenic cover that is removable and machine washable, this bamboo mattress topper is easy to maintain and ideal for everyday use in bedrooms, guest rooms, apartments, and homes with pets or frequent washing needs.
  • 【Secure Non Slip Fit That Stays in Place All Night】Adjustable corner straps and a non slip bottom keep the topper firmly positioned on memory foam, hybrid, or innerspring mattresses. No sliding, no bunching, and no nightly readjustment, just a smooth, stable sleep surface that stays where it belongs.
  • 【Certified Safe Materials with Worry Free Trial】Made with CertiPUR US certified memory foam and OEKO TEX STANDARD 100 compliant fabric, this memory foam mattress topper is fiberglass free and designed for safe, toxin free sleep. Vacuum packed for easy delivery and setup, it fully expands within 48 to 72 hours. Backed by a 120 night trial, 10 year limited warranty, and 24 hour customer support, so you can upgrade your sleep with confidence.

About this item

Product details

Specifications

Warranty

Customer ratings & reviews

4.3 out of 5 stars
stars
33 ratings22 reviews
How item rating is calculated
  1. 5 stars73% (24)
  2. 4 stars3% (1)
  3. 3 stars9% (3)
  4. 2 stars6% (2)
  5. 1 star9% (3)

Reviews summary

Pros

  • : It stays level and provides consistent pressure relief.
  • : High-density foam creates a stable, sag-free surface.
Generated by AI
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Showing 1-3 of 22 reviews

Jul 8, 2026
Reviewer name: lan
Item details
Bed size: Queen
Thickness: 4 in
Sold byFOLVUTY StoreDelivered byWalmart
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

good quality and very like

If you like firm mattress I recommend this one.this topper have good quality and beautiful colors,feel comfortable ,very worth

Incentivized Review
Helpful?1K9IVCLEVMKH18664262217
Sep 12, 2026
Reviewer name: lihang
Item details
Bed size: Queen
Thickness: 4 in
Sold byFOLVUTY StoreDelivered byWalmart
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

not bad!

I was actually a bit worried before buying that the mattress might be too soft, but upon receiving it, I found that wasn't the case at all. It has excellent firmness and offers good support; the surface remains perfectly level without any noticeable sagging, making it very comfortable.

Incentivized Review
Helpful?1K9IVCLEVMKH18664262217
Jun 30, 2026
Reviewer name: Huiwen
Item details
Bed size: Queen
Thickness: 4 in
Sold byFOLVUTY StoreDelivered byWalmart
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

The perfect firm support I was looking for!

Most memory foam toppers are way too soft, but this one is a game-changer. The high-density foam gives amazing support for back and stomach sleepers. It prevents sagging and provides excellent pressure relief. As an office worker who sits all day, my back feels so much better after using this. The washable cover is also a huge plus. Definitely worth every penny! it's firm enough to keep my spine aligned but still has that perfect memory foam contouring.

Incentivized Review
Helpful?1K9IVCLEVMKH18664262217
Current price is Now $136.99
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was $229.99
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4.8 stars out of 5, based on 87 seller reviews(4.8)
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