9" MoonLight #614 Twin Black Microfiber futon mattress features a medium firm surface feel with two layers of convoluted foam, two layers of block foam and dense "Joy" cotton batting surrounding all foam layers.With a thickness of 9 inches, this twin size futon mattress provides comfort and support. The medium firm surface feel allows for a balance between comfort and support. Designed with 100% polyester Microfiber fabric and a 9 inch cotton, foam and convoluted foam construction, this MoonLight #614 Twin Black Microfiber futon mattress offers a durable and long-lasting sleeping experience.