Best Price Mattress Space Saver Rollaway Guest Bed, Deluxe A Jacquard cover blended from super soft bamboo rayon fabric encases the 4" mattress The 4" mattress is layered with an inch of fiber padding and 3" base layer of super soft foam for ultimate comfort and support It is compact, lightweight, and easy to store A bonus storage cover is included for protection while stored away Size:75"x31"x18"