THE OTIS STRATOSPHERE FUTON MATTRESS combines advanced technology with old world craftsmanship to produce a cushioning system that is extremely comfortable, durable, and affordable. This overstuffed 6" futon provides the support and feel of an expensive 8" futon without the high cost. Bench-Built from the inside out to provide a level of quality, comfort and durability that is out of this world. This mattress contains 7" of HR Foam surrounded by a layer of thermal bonded polyester wrap all compressed into an 6" case made of premium quality 100% polyester fabric (cream color) that breaths, stays cool and repels moisture. Unlike classic style futon mattresses with rounded edges Otis futons have tailored box edges and compression tufting to create a supportive synergy that produces a superior comfort level. The Stratosphere is made in the USA and comes with a 10 year manufacturer warranty.