The Nestl deep pocket waterproof mattress protector is the most premium bed cover. Our mattress cover fits mattresses up to 21 inches! Add our lightweight mattress pad to your favorite bedding collection for worry-free relaxation and peaceful sleep! It is woven with premium high-quality cotton terry which allows it to be super breathable. Our waterproof mattress protectors include a specially engineered back coating that allows air to circulate while protecting your mattress from sweat stains spills accidents dust mites allergens and bacteria!