CONGRATULATIONS on choosing Barry's Copper Patina Rescue – Your First Aid Kit for Copper, Bronze and Brass. Copper Patina Rescue is the ORIGINAL and ONLY manufacturer-supported and recommended product to restore the original genuine oil-rubbed brown to black patina found on most sinks, hardware, tables and faucet fixtures. Our kit will also allow you to convert a bright metal finish on any of these metals to an oil-rubbed look. This kit will restore brown/black finish up to 24" x 24" surface areas