ADCO 32876 Designer Series Tyvek Toy Hauler RV Cover ADCO All Climate Designer Series Toy Hauler Contour-Fit 3 Layer RV Cover The most durable ALL CLIMATE Toyhauler Trailer cover on the market DuPont Tyvek top panel, now with up to 40 percent more Tyvek fabric, provides maximum protection against the sun's damaging U.V. rays Extends below most awnings 3-Layer High performance multi-color polypropylene sides insure maximum breathability