Professional-Grade Aluminum Heat Shield that has three layers: Aluminum Top Layer, Fiberglass Layer, and the Adhesive Backing * Aluminum and Fiberglass Heat shield with adhesive layer * Size: 4 Sq. Ft. 15" x 48" * Just peel and stick to a clean surface * Offers protection from temperatures up to 850 degrees Fahrenheit * Preserves the life of motorcycle fairings and race bodywork from exhaust heat and headers * Used in racing applications