The surface of the mattress protector200 x 220 cm is made of high quality cotton terry. and is exceptionally soft, comfortable and breathable to provide you and your family with a comfortable sleep experience. The underside is a 100% waterproof TUP membrane, breathable and quiet. It can effectively prevent sweat, saliva, urine and other liquids from getting into the mattress and thus reduce the growth of bacteria and mites and offer you health protection (Oeko-Tex standard). With sturdy 4 corners elastic bands, suitable for all mattresses up to 35 cm thick, can be used as a cot, baby bed, mat and incontinence pad, children, pregnant women, the elderly can be used with safety. Easy to maintain, machine washable at 60 C, tumble dryer suitable for low temperatures, durable material, repeated cleaning without deformation. Worry-free purchase, 24/7 outstanding customer service. If there is any problem with our product, please feel free to contact our team, we will provide a refund or replacement service to all of our customers to make sure you are 100% satisfied.