Clinically Proven 5-Sided Mattress Protector, Health & Allergy Protection (Twin 8-13.5" Deep) Waterproof, Breathable Polyknit featuring OmniGuard Advance Allergen, dust mite, moisture, and mildew proof Will not alter the comfort or fell of your mattress Approved for all mattresses including memory foam and latex Mattress Giant Close-Out item