Phoenix Futon Frame in Black Wood with Innerspring Suede Black Mattress This unique and versatile Full Size Futon Sofa easily converts to a Full Size Bed. The suede black upholstery and black finish wood frame fits easily in most rooms. Tray style arms can fold up or down Mattress Thickness: 8" Mattress Core Construction: Foam and 294 Innerspring coil Bed Dimensions: 75"L x 54"W x 8"H Frame Dimensions: 81"L x 37"D x 33"H Frame Dimension with Trays up: 97"L x 37"D x 33"H