Top Shades reduce glare, heat, and UV radiation by up to 65%. You stay cooler, your air conditioning runs less, and your interior lasts longer. Precision, diecut matrix film stays in place with powerful "static cling," and you retain the see-through effect of your tops. Applies or removes in seconds to any clean, dry, smooth surface. No fasteners, just smooth on with damp cloth and go! Five year warranty.