Only 21st Century film has built in Shrink Control (TM), for exceptional stability when subjected to changes in temperature and humidity. FEATURES: Shrink Control (TM) also makes 21st Century Flat film easy to apply-with a slower shrink rate that increases positioning time for more professional-looking results. Lightweight at Only .25 ounces per square foot Dry adhesive is activated when heat is applied Applies at 250-325 degrees Fahrenheit over wood, fiberglass, balsa- sheet foam and itself. Fuelproof and Waterproof May be cleaned with glass cleaner, "409" or MonoKote Cleaner/Polish INCLUDES: One Roll (6"x27") of Flat Insignia Blue 21st Century Film. REQUIRES: Sealing Iron (TOPR2100), Heat Gun (TOPR2000), Iron Sock (TOPR2175) kh01-30-02