Best Price Mattress 11" Gel Infused Memory Foam Mattress, Full, White Sleep cool layering system - 1.5" gel-infused memory foam and 2" ventilated comfort foam Base layer of 7.5" high-density foam for support and long-lasting durability Comfort is balanced with refreshing gel to provide coolness and ultimate support Knitted poly-Jacquard cover with satin piping border and non-slip bottom CertiPUR-US certified memory foam, 10-year manufacturer warranty