Auto-Chem Professional-(680-016) CRYSTAL SEAL - Anti-Corrosion Correcting Sealant Paint Treatment and UV Protectant- 16.09 oz. #1 Choice of Professional Detailers and Body Shops/ Best Paint Treatment on the Market Natural and Synthetic Components Restore and Protect Paints, Plastics, Polycarbonates and Chrome Corrects Imperfections from Polishing on New and Used Cars, Trucks, Motorcycles, Boats, RV's and Airplanes Increase Finish Durability and Luster/ Protection Against the Harshest Elements The Advanced Coating Technology Ensures The Industries Most Durable Protection. Certified Body Shop Safe.