3/4 Bed Waterproof Zippered Mattress Protector Barrier to Bed Bugs, Allergens, Dust Mites Three Quarter Bed Size Zippered Waterproof Mattress Protector-Fits mattress 9"-14" Waterproof Allergen Barrier-Allergist Recommended Controls Allergens, Bed Bugs & Dust Mites Also fits antique beds, camper and boat mattresses 100% Woven Micro Polyester Top and Bottom with Urethane Membrane Zippered Encapsulation for Complete Protection-Fits mattress 48" x 75"