Premium Guard Gel Foam OverlayIdeal combination of 3 gel bladders, high density foam shell and support base. Optimal prevention, treatment and management of pressure ulcers. One piece construction requires no assembly. 4 Elastic corner straps secures overlay to mattress. Urethane coated nylon cover is, water resistant and vapor permeable. Vinyl base is stain resistant and waterproof. Designated head and foot sections. 1 Year Limited Warranty on cover and mattress. Product Specifications BRANDDrive Medical MANUFACTURERS PART NUMBER14893 LENGTH INCHES80 WIDTH INCHES36 HEIGHT INCHES3-1/2 COLOR FINISHBlue DESCRIPTIONPremium Guard Gel Foam Overlay WEIGHT CAPACITY300 lbs TYPEGel Foam Overlay