AllerEase Maximum Waterproof, Allergy and Bedbug Zippered Mattress Protector - White (Twin). Protect your mattress investment with the AllerEase mattress protector. Perfect for allergy sufferers, this protector keeps dust mites, pet dander, and other irritants from lodging in your mattress. The zippered cover and machine-washable construction make it easy to keep this cover clean. Features: Protects against dust mites, pet dander and other household allergens from collecting in your mattress Bed bugs cannot penetrate the fabric or zippered closure - Velcro flap folds over zippered closure to ensure bedbugs cannot escape or enter protector Prevents liquids, urine and stains from contaminating and ruining your mattress Zippered closure fully encases your mattress Extends the life of your mattress Waterproof protection Good Housekeeping Seal Of Approval Won't alter the feel of your mattress Allergist recommended Hypoallergenic 10 year limited warranty Machine wash and dry.