Metal, Plastic, & Fiberglass Polish & Paint Restorer. Anti-tarnish formula. Works quickly for knife care and gun care. Lasts up to 6 months. Non-abrasive, non-toxic, non-flammable. Acid free. Won't dry out. Leaves no residue. Safely clean, polish and protect: brass, copper, silverplate, sterling, chrome, stainless, nickel, bronze, solid gold, aluminum, anodized aluminum, pewter, magnesium, platinum, acrylic, factory gun bluing, painted surfaces, glass, plexiglass, eisenglas, and fiberglass. Removes: tarnish, rust, water stains, chalking, lime deposits, heat discoloration, lead and powder residue, oxidation, fingerprints, flies, tree sap, bird droppings, graffiti, and dyes. Not for use on electroplated finishes. Made in the USA.