Copper Sponge | 2pkCopper makes sensitive objects shine! The copper products clean pots, pans, sinks, ovens, ceramic cooktops, glass, stainless steel, etc. especially thoroughly and gently. Perfect for removing rust from cutlery. Also ideal for all shiny parts of bicycles and motorcycles, as well as for glass and chrome parts and aluminum rims on cars. Fine copper threads loosen even the most stubborn dirt carefully because copper is a soft metal that is non abrasive.