WARNING - Blow Solid Rose Gold Copper Shields Come polished and Coated with Everbrite ProtectaClear to prevent Tarnish build up and surface discolouring. DO NOT WAS WITH DETERGENT OR SCRUB WITH POLISH WHEN CLEANING or you will remove the protective coating. Clean with moist soft nonabrasive cloth to remove dirt and road grime. ProtectaClear has an impermeable finish that provides outstanding protection against damage caused by corrosion, salt water, salt air, acid rain, pollution, mildew, bird droppings, bleach and more. ProtectaClear also helps to reduce fingerprints and smudges on all metals.