Stay Cool: Made with nylon-spandex cooling knit fabric enhanced with nano cooling agents, featuring a Q-MAX value of 0.5+ for an instant cool touch. The knit construction offers superior breathability, while the foam is infused with cooling gel to ensure a refreshing and comfortable sleep experience. Combination Design: Combines a cooling mattress topper with cooling foam to deliver enhanced softness and balanced support. The 2-inch slow-rebound memory foam provides excellent body contouring and support, helping to relieve pressure and improve overall sleep quality. Waterproof Layer Cover: The cooling mattress cover has a waterproof bottom layer to better handle unexpected situations and protect the memory foam. Made in Green: Certified by MADE IN GREEN and CertiPUR-US, making it safe and friendly for babies, children, and pets. Care Instructions: The cooling mattress topper is easy to care for and can be machine washed. Do not iron or tumble dry at high temperatures. (The foam is not machine washable.) SLEEP ZONE Dual Layer 3 Inch Memory Foam Thick Mattress Topper, 2 inch Cooling Gel Memory Foam Plus 1 inch Waterproof Pillowtop Mattress Pad Cover, Comfort Support (King)