Mattress Protector &acirc;&euro;" King Size - Waterproof & Hypoallergenic - Protects Against Dust Mites, Allergens, and Bacteria - Premium Fitted Design to Cover Your Mattress - 10 Year Warranty - Money Back Guarantee Cotton 100% Waterproof and Breathable Fitted Sheet Style - Protects against Allergens, Dust Mites, and Bacteria Polyurethane Membrane allows air passage, but blocks liquids 100% Cotton Terry surface absorbs moisture 10 Year Warranty