This trifold mattress delivers plush comfort with soft polyester filling that contours to your body for pressure relief. The quilted surface distributes padding evenly across the 80 x 78 x 4 inch sleeping area. A removable dustproof cover zips off for machine washing. The foldable mattress rolls into the included carry bag for camping trips or guest sleepovers, doubling as a portable mattress for travel and outdoor adventures.