Weiman Metal Polish gives a brilliant shine to brass, copper, silver & gold, stainless steel, chrome, aluminum, lucite, and plastic. The cream cleans, polishes, and restores, as well as removes tarnish instantly. Ideal for cars, boats, musical instruments, go clubs, antiques, sinks, etc. A special tarnish preventative helps keep copper and brass tarnish-free. There is no hard rubbing and absolutely no scratching. This product is certified Kosher.