The 9"" Marshall Spring comes with a premium quality 512 pocketed coil count spring unit that is covered with 2 woven insulator pads, 2 layers of convoluted foam and multiple compressed layers of 100% cotton for extra comfort, Comes in a Black or Natural Twill/Cotton blend futon cover, The cover is not removable, Dimensions: L- 80"" W- 60"" H- 9""