Vipbear - 4" King Size, Firm to Extra Firm Reversible High-Density Memory Foam Mattress, with Removable Cover - Gray

Upgraded 2-Layer Design

The 4 inch memory foam mattress topper features 1" cooling ventilated gel memory foam and 2" high-density bamboo-infused memory foam, which is more supportive than 3 inch mattress topper, does not deform, and gives you the "just right" firm. Bamboo charcoal memory foam efficiently maintains a fresh environment, with no smell.