It extends the life of the mattresses thanks to its micro soft surface and waterproof membrane. It is also suitable for patient beds and baby beds. The upper surface is polyester and very soft. The back side has a membrane and is liquid impermeable. The edges are rubberized and can be used by putting it on the bed. Product Features: It is liquid proof. Washing Instructions: It can be washed at 90 degrees. No bleaching. No drying. It is not ironed. Dry cleaning may be applied.