EmpireCovers Aqua Armor Boat Covers Made from a 1200 Denier Polyester material Vented to provide superior air circulation and protect against mildew, dampness and musty odors Exceptional durability, with taped seams and protective sleeve for buckle and vent UV treated for maximum sun and heat protection that will prevent your paint and upholstery from fading 100% waterproof (not just water repellant or water resistant)