One product, Many uses. Metal, Plastic, Fiberglass, Glass, Corian®... This is our signature product. The one that launched our company over 30 years ago. A concentrated cream, Flitz Polish is unsurpassed in its ability to Clean, Polish, Deoxidize and Protect. Tough,durable protection; Non-abrasive formula; Non-toxic; Non-flammable;USDA authorized; Protects up to 6 months in fresh water; up to 3 months in salt water.