The 8" Double Foam & Cotton #611 Cott Size 30X75 Black Duct Futon Mattress features a medium firm surface feel, with two layers of solid 1 1/2" foam for resiliency, cushioning and comfort.With dense "Joy" cotton batting surrounding the foam layer, this futon mattress provides excellent support. The construction includes 8" double foam with 2 pieces of 1.5" foam and 40 lbs of Gold Bond Joy cotton batting.The mattress is made from a combination of foam and cotton materials, covered in 100% polyester fabric, and has a thickness of 8 inches. It is available in various sizes, including the 30x75 black duct futon size.