Magshion 4 Inch Memory Foam Tri-fold Mattresses Floor Bed - Twin Size (Dark Grey) Unique Memory Foam mattress will provide deep, relaxing sleep every night 4 Inch Thickness Support 3 Inch High Density Base Foam And 1 Inch Memory Foam on Topper Cover Material: 100% polyester / Spot Wash Only 2 Tones Color (Black On the Bottom) / Made In USA Twin Size: 39"W x 75"L x 4"H (Folding/Chair: 39"W x 25"L x 12"H)