Ultimate Dreams King Freedom Customizable Latex Bed 11" Latex Foam Mattress with zipper top and multiple foam layers; Perfect mattress for your every night mattress or the guestroom Achieve any comfort level with 12 different foam combinations and our Patent Pending Color System There is 9" of a synthetic Dunlop Latex for different ILD's for the ultimate in comfort flexibility. All of our Foams are made in the USA with the Certipur-US certification to meet the highest standards for Quality and Performance Double sided mattress cover allows for the mattress to be flipped over for extra durability.