Our 4 in. gel infused memory foam mattress topper relieves you from the troubles of sleep and brings you a quiet and comfortable sleep environment. The cooling gel memory foam is perfectly combined with the breathable bamboo cover to quickly dissipate body heat and moisture for a cool sleep. When you touch this mattress toppers, it will fully adapt to your body. According to the body curve, make a matching elastic support to release the pressure. The most perfect is that this 4 in. mattress topper have 4 flexible elastic bands that prevent the topper from moving. The white luxurious plush cover is removable and machine washable, making it easier to clean and reduce bacterial and mites growth. We also provide premium service for 4 in. gel memory foam mattress toppers certified by CertiPUR-US, backed by a 3-year warranty, 100-day trial, and various sizes of home mattress topper for your choice.