Meatal Polish. Simichrome polish, cleans, polishes and protects brass, chrome, copper, gold, brass, aluminum, magnesium, silver and nickel. This tin is 250 grams or 8.82 ozs. Directions: Use sparingly. Apply and polish with clean cloth. Wipe off excess, buff surface to a brilliant luster with clean, soft cloth. Leaves protective film. WARNING: This product can expose you to chemicals which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.