Item description from the seller

This Terry Cloth NEW Waterproof Mattress Protector gives a cleaner and more comfortable sleeping environment for you and your family. Anti Bug Terry Mattress Protector material is 100% cotton terry cloth with a waterproof membrane back layer. This Mattress cover sheet is 100% breathable combination keeps the mattress cool, clean, dry and noiseless. With the 100% waterproof barrier coated on the back of the protector, any absorbed liquid will not filter through the protector. This mattress protector is also hypoallergenic. It helps protecting your mattress against dust mites, bacteria, and allergens.