Mezzati Premium Mattress Protection Cover - Cotton Terry Top - Waterproof, Hypoallergenic, Vinyl Free - Stain, Bedbug and Dust Mite Resistant - Extra Deep Fitted Pockets (King) 70% Cotton/ 30% Polyester WATERPROOF MATTRESS PROTECTOR - Top Quality and Affordable. Hypoallergenic and protects against dust mites, fluids, urine, bacteria. KING SIZE - 78 x 80 inch, elastic all around. Deep pocket fitted sheet style. Fits mattresses up to 16". SAFE - for asthma, allergy or eczema sufferers. Must have for those with kids and pets. PREMIUM QUALITY - Cotton terry surface with membrane back coating. Breathable, durable and noiseless. Will not change the feel of your mattress. EASY CARE - Washable, machine wash in cold water. Tumble dry on low until dry.