A. The surface of the mattress protector 100 x 200 cm is made of durable cotton terry. It is soft, comfortable, and breathable, providing you and your family with a comfortable sleep experience. B. The underside is a 100% waterproof TUP membrane, which is breathable and quiet. It can help prevent sweat, saliva, urine, and other liquids from getting into the mattress, thus reducing the growth of bacteria and mites and offering health protection (Oeko - Tex standard). C. With sturdy 4 - corner elastic bands, it is suitable for most mattresses up to 35 cm thick. It can be used as a cot, baby bed, mat, and incontinence pad. It can be safely used by children, pregnant women, and the elderly. D. It is easy to maintain. It can be machine - washed at 60°C and is suitable for low - temperature tumble drying. The material is durable and can withstand repeated cleaning without deformation. E. The buying process is worry - free with 24 - hour customer service. If there are any issues with the product, customers can contact the team, and the company will provide a refund or replacement service to ensure customer satisfaction.