The Northern Classique™ MATTRESS ENCASEMENT / BED BUG PROTECTOR / MATTRESS COVER provides any Mattress or Box Spring with an added level of protection. The zipper closure will seal out any unwanted allergens and bacteria, prolonging the life of any mattress. These premium mattress encasements are a perfect solution for asthma, eczema, and allergy sufferers. They can be used on both Mattresses and Box Springs, ensuring a comfortable and healthy sleep environment. The mattress encasement keeps any mattress safe from spills and stains. 100% Polyester Stretch Knit with Polyurethane Laminate Made of a Breathable and Stretchy Material Can be used on both Mattresses and Box Springs Provides protection against bed bugs Provides protection against allergens, dust mites, bacteria and more Features a flap to protect zipper from snags and pulls Features a self-locking zipper Features a Water Repellent Top Machine Washable Tumble Dry Available Sizes: TWIN - 39" x 80" (will accommodate mattresses of up to 9" depth) DOUBLE - 54" x 80" (will accommodate mattresses of up to 9" depth) QUEEN - 60" x 80" (will accommodate mattresses of up to 12" depth) KING - 78" x 80" (will accommodate mattresses of up to 12" depth) Suggested Uses: Hotels, Motels, Vacation Rentals (Airbnb) Retirement Homes Dorm Rooms and University / College Campuses Pest Control Companies Residential Use Anyone who wants to protect their expensive mattress and box spring & many more! Buy in bulk and receive amazing discounts!