Sleep Master Memory Foam 1 Inch Mattress Topper, Full Memory Foam pressure relief and support Rejuvenate your mattress with memory foam comfort Includes removable, washable cover Only the Highest Quality Memory Foam - Memory Foam is CertiPUR-US Certified for durability, performance, and content Smartly Shipped-Our patented technology allows our mattress toppers to be efficiently compressed, rolled and shipped in a box conveniently to your door