The Optima Protector Waterproof Car Cover has three layers of protective material with seams that are ultrasonically welded in order to insure that your car cover will be 100% waterproof. The unique construction of this car cover allows for any moisture under your car cover to evaporate out while not allowing any moisture in. This auto cover is UV treated to protect your vehicle from the harmful effects of the sun’s rays as well as protection against dust, dirt, tree sap, bird droppings and more. This semi custom car cover comes with elastic hems in the front and back of the cover as well as grommets in the sides of the cover in order to insure a snug fit. Your new waterproof car cover also comes with a FREE storage pouch and antenna patch. These car covers are gray and have a two year manufacturer warranty.