This product is a high performance cleaner and polish in a liquid form specially formulated to clean and polish with the ease and economy of a liquid, concentrated formula goes three times farther than other liquids and leaves a brilliant shine in half the time. Cleans and polishes: brass, copper, silver plate, sterling silver, chrome, stainless steel, nickel, bronze, solid gold, aluminum, anodized aluminum, pewter and factory hot gun bluing. This helps to remove tarnish, rust, water stains, heat discoloration, oxidation and fingerprints. This is USDA authorized and non-toxic.