Waterproof Towelling Mattress ProtectorSoft and absorbent, our waterproof mattress protector has a pure cotton terry pile for comfort and a breathable polyurethane backing to protect the mattress from any spills or accidents. Designed to fit well over a deep mattress it is soft and maleable and does not make noise if you toss and turn. It is fully machine washable at up to 95 degrees so perfect for anyone who suffers from allergies.