Fully waterproof mattress protector to keep your mattress dry from spillages, stains, bed sweats and accidents. The bamboo fabric is more absorbent than cotton, but is soft to touch and breathable, ensuring the best possible sleeping conditions. Smooth and silent protection: the rustle free waterproof layer means you can have a restful nights sleep. Material composition: 35% bamboo, 65% polyester Elasticated hem to make sure your waterproof mattress protector stays still during the night