Protect-A-Bed Premium Waterproof Mattress Protector, Olympic Queen Size Cotton Terry Sleep Surface: Soft, absorbent and doesn't change feel of mattress. Waterproof Polyurethane film backing repels liquids like urine and sweat. Breathable Barrier Fabric Guaranteed NOT hot to sleep on. Allows body vapor to breathe through protector. Dust Mite and Allergy Barrier Miracle membrane backing provides a healthy sleep zone for your family. Easy to Wash and Use: Machine washable in warm or hot water. Tumble dry on medium heat. Do not bleach or dry clean.