Purest Of America 8 inch Mattress with 2.5 inch Memory Foam (Twin) Memory foam significantly reduces pressure points to ensure a comfortable night's sleep Has an open-cell structure that reacts to body heat and weight by molding to sleeper's body Mattress layers have 2.5 inch of memory foam and 5.5 inches of high density foam base Comes with a 25 Year Manufacturer's Warranty Meets Federal Flammability Standard 16 CFR 1633