Protect-A-Bed Luxury Waterproof Mattress Protector, Queen Thermo-regulating fibers make this the coolest waterproof protector to sleep on. Waterproof: Polyurethane film backing repels liquids like urine and sweat. Breathable Barrier Fabric: NOT hot to sleep on; Allows body vapor to breathe. Fits Queen size mattresses. Dimensions: 60 x 80 x 18 in.