Sleep Master Gel Infused Memory Foam 8 Inch Mattress and Easy To Assemble SmartBase Mattress Foundation/Platform Bed Frame, King 1" My Gel memory foam, 1" Memory foam, 2" pressure relief foam & 4" high-density support foam Easy to Assemble Smart Base offers 12.5 Inch of clearance for under bed storage Assembles easily to provide strong, level support for your mattress Patented compression technology allows our mattresses to be compressed, rolled and shipped in one box with the Easy-to-Assemble Smart Base All Foam is CertiPUR-US Certified for durability, performance and content with 10-year limited warranty