The waterproof mattress cover protects the mattress from liquids like urine and blood. The mattress covers , isolates the bed and does not allow the exchange of mould , dust , mites , and bacteria from bed to the patient and reversal. It has elastic tape and fits to the bed perfectly , when it is used properly it stands for a long time. . In the upper part, towel fabric, and in the lower part, waterproof breathable elastic polyurethane (PU) lining.Washing instructions: The coating is washable at 80 degrees. Do not use bleach or other chemicals. Do not iron it.