The Marmont futon mattress offers comfortable seating by day and a refreshing night's sleep thanks to a coil innerspring mattress. This 8-inch thick mattress features hinged coil construction for easy conversion from upright to flat positions, plus hand-tufted construction to help it keep its shape. One inch of high-density foam and plentiful cotton batting add to your comfort, day and night, and the polyester cover is durable and handsome.