Mattress not Included STF1187 Features: Contemporary design Two Position Hinge All serta mattresses are constructed with selected grades of cotton and polyester fibers All covers are directly tufted to the mattress and cannot be separated Five comfort layers Made with selected grades of cotton and polyester Mattress is 6'' thick, with 3 x 1'' 1.2 lb serta support foam, and 3'' cottonique blended cotton batting Firm mattress support Dual foam core center Conforming seating Made with selected grades of cotton and polyester Mattress is 8'' thick, with 2 x 2'' 1.2 lb serta support foam and 4'' cottonique blended cotton batting Medium mattress support Made with selected grades of cotton and polyester Mattress is 9'' thick, with 2 x 1.5'' convoluted 1.5 lb serta support foam, 1 x 1'' 1.2 lb serta support foam, and 4'' cottonique blended cotton batting Soft mattress support Construction: Solid Steel Construction Specifications: Contains new 1 x 1'' 3 lb visco elastic memory foam for extra body conforming Dimensions: Center leg support 2'' Diameter Steel Arms Full: 34'' H x 79'' W x 38'' D Warranty: All serta frames carry a 1 year warranty All serta mattresses carry a 10 year warranty