Best Seller | Sealy Posturepedic Allergy Zippered Hypoallergenic Waterproof Fitted Mattress Protector Polyester | 75 H x 39 W in | Wayfair 3310SLY The Sealy Posturepedic allergy protection zippered mattress encasement is the perfect blend of safety and comfort. This mattress encasement is made from 100% polyester, which ensures years of functionality. It is available in various sizes, letting you... more | | $39.99 $31.99 go to store |