Mattress Protector Cover, 4-in-1: Bed Bug, Hypo-allergenic, Waterproof, Stain Resistant, Zippered. Made in USA (Queen) polyester/cotton/vinyl Made in USA Waterproof and Stain Resistant Hypo-Allergenic Blocks bed bugs and dust mites Vinyl lined Cotton/Polyester blend 3-layered, zippered cover totally encases the mattress