Product Overview

FOLVUTY 4 Inch Black Extra Firm Mattress Topper Twin – A Slim Comfort Layer for a Firmer, Cooler, and More Stable Sleep Surface!

The FOLVUTY Black Extra Firm Memory Foam Mattress Topper is designed for sleepers who want to refresh their mattress without adding too much height. Available in 3/4 inch Queen and King, 3 inch Twin and Full, and 4 inch Twin, this slim mattress topper adds a supportive comfort layer to memory foam, hybrid, and innerspring mattresses, making it a practical choice for bedrooms, guest rooms, apartments, dorms.

Made with 45D high-density memory foam, this firm mattress topper helps improve the feel of an old, soft, or slightly unsupportive mattress. Its dense foam structure helps reduce excessive sinking while adding balanced support for the lower back, hips, and legs, creating a more stable and comfortable sleep surface.

The cooling gel-infused memory foam works together with a perforated ventilated design to promote airflow and help reduce heat buildup. This breathable mattress topper is ideal for sleepers who want firmer support with a cooler, drier feel throughout the night.

A layer of bamboo charcoal memory foam helps keep the topper feeling fresher over time by reducing unwanted odors. The removable, machine washable cover makes daily care simple, helping maintain a cleaner and more comfortable sleep environment.

Designed for better stability, the FOLVUTY 4 inch Twin mattress topper features adjustable corner straps and a non-slip bottom to help keep it securely in place on different mattress types. The slim profile is easy to set up, easy to move, and suitable for use as a mattress pad topper, bed topper, or firm memory foam topper.

Made with CertiPUR-US certified foam and OEKO-TEX STANDARD 100 compliant fabric, this fiberglass-free mattress topper offers a safer and more practical way to upgrade your bed. With firm support, cooling comfort, easy maintenance, and dependable everyday durability, the FOLVUTY Black Extra Firm Mattress Topper is a simple solution for improving sleep comfort without replacing your mattress.

Available Sizes & Weights

-3" Twin: 75" x 39" x 3" – Approx. 14 lbs

-3" Full: 75" x 54" x 3" – Approx. 18.41 lbs

-3" Queen: 80" × 60" × 3" – Approx. 29.60 lbs

-3" King: 80" × 76" × 3" – Approx. 41.49 lbs

-4" Twin: 75" x 39" x 4" – Approx. 16.67 lbs

-4" Queen: 80" × 60" × 4" – Approx. 29.60 lbs

-4" King: 80" × 76" × 4" – Approx. 41.49 lbs

Key Features

Firm Support for Real Back Comfort: 45D high-density memory foam creates a stable sleep surface that reduces mattress sagging and promotes healthy spinal alignment; ideal for heavier sleepers, office workers, or anyone with lower-back or hip discomfort.
Bamboo Charcoal Foam & Washable Cover: Infused bamboo charcoal absorbs odors for a fresher sleep environment; hypoallergenic, removable, and machine-washable cover makes cleaning easy.
Cooling Gel Memory Foam for Breathable Comfort: Gel-infused foam with perforated ventilation improves airflow and releases trapped heat, keeping the surface cooler and more comfortable through the night.
Secure Non-Slip Fit: Adjustable corner straps and a non-slip bottom keep the topper firmly in place on memory foam, hybrid, or innerspring mattresses for a stable, smooth sleep surface all night.
Certified Safe Materials & Worry-Free Trial: CertiPUR-US certified memory foam and OEKO-TEX STANDARD 100 compliant fabric, fiberglass-free for toxin-free sleep; vacuum-packed for easy setup, fully expands in 48–72 hours; backed by 120-night trial, 10-year warranty, and 24-hour customer support.
Versatile for Any Bedroom: Perfect for master bedrooms, guest rooms, apartments, dorms, or homes with pets; enhances comfort, support, and cooler sleep without replacing your mattress.

Specifications

Fill material	MemoryFoam
Color	Black
Pattern	Wavy Jacquard Texture
Firmness	Extra Firm
Assembled product dimensions (l x w x h)	75.00 x 39.00 x 4.00 in
Bed size	Twin
Thickness	4 in
Features	Anti-Slip, Cooling Technology, Breathable, Hypoallergenic, Removable Cover
Cover material	Polyester
Brand	FOLVUTY
Care and maint	Wash gently with mild soap & Machine Washable

FOLVUTY FirmLux 4 Inch Twin Extra Firm Mattress Topper