The Sleep Philosophy 4 in. Memory Foam Topper turns an ordinary mattress into an exceptional sleep upgrade, featuring a 4 in. layered design: 2 in. of 2.5 lb. density temperature-control memory foam (infused with cooling gel for optimal temperature management and sleeping comfort) and a 2 in. high-density memory foam base layer that adds extra support. This structure adjusts to your body temperature, eases pressure points, relaxes muscles, and delivers a soothing night's rest-all with great softness at an affordable price. The topper is naturally antimicrobial, hypoallergenic, and dust-mite resistant, plus Oeko-Tex Certified to ensure no harmful substances or chemicals. It comes with a zippered, removable cover equipped with 3M Moisture and Stain Release (powered by 3M Scotchgard moisture-wicking tech) for stain removal and moisture control, boosting comfort and coziness. The cover also has an anti-slip reverse side to keep the topper securely in place on your mattress. For easy care, the cover is machine washable while the foam topper only needs spot cleaning. Slightly oversized and available in full mattress sizes, it offers end-to-end bed coverage. Thanks to efficient packaging, the topper is compressed into one box for easy shipping-just unbox, unroll, and it will expand to its original shape within 72 hours. Material: Polyester.