This fibre gives a feeling of softness & freshness & absorbs up to 6 times more water than cotton. Coated mattress protector: Quality & value. Terry towelling mattress protector. Polyurethane-coated, very soft & both waterproof & breathable. Flaps stretch to 26 cm, fitted corners. Washable at 60°. 72% viscose, 28% polyester (180 g/m 2).