SafeRest Premium Mattress Protectors Provide Undetectable Protection for You and Your FamilyProtects against allergens, perspiration and fluidsSafeRest Premium Mattress Protectors offer protection against fluids, perspiration and allergens making them especially helpful for those with kids, pets, allergies or incontinence. As we sleep we shed thousands of dead skin cells, which can quickly accumulate providing an ideal environment for allergens. SafeRest mattress protectors trap allergens and skin cells on the surface of the protector where they can be easily washed away during suggested quarterly launderings. This helps provide a cleaner more allergen free sleep environment for you and your family.Soft Cotton Terry Surface - Breathable, Cool and NoiselessTo keep our protectors cool and noiseless, the surface material is made with soft cotton terry back coated with a breathable, hypoallergenic and 100% waterproof membrane layer. Cotton terry naturally absorbs moisture and is completely noiseless.Fitted Sheet StyleTo ensure a great fit, an elastic band is used on the side skirt to automatically pull excess material under the mattress.Machine WashableMachine-wash with your sheets using normal household detergents that do not contain bleach. Tumble dry on low heat. Do not iron.SafeRest Invisa-ShieldOur mattress protectors will not change the feel of your mattress. This is great for those with any type of mattress including innerspring, latex or memory foam.All SafeRest premium protectors are backed by a full replacement 10-year product warranty, contain no phthalates, vinyl or PVCs and are registered as a class 1 medical device with the FDA. (King Size 76" x 80" - Fits up to 18" deep)