52ml. Anti-tarnish formula. Works quickly. Lasts up to 6 months. Non-abrasive, non-toxic, non-flammable. Acid free. Does not dry. Leaves no residue. Safely cleans, polishes and protects: brass, copper, silver, sterling, chrome, stainless, nickel, bronze, solid gold, aluminum, anodized aluminum, pewter, magnesium, platinum, acrylic, factory blued weapons, painted surfaces, glass, plexiglass, eisenglas and fiberglass Removes tarnish, rust, water spots, chalking, lime deposits, heat discoloration, lead and powder residue, oxidation, fingerprints, flies, tree sap, bird droppings, graffiti and dyes. Do not use on galvanized finishes.