Crystal Clear Protective Coating. Will not hide the natural beauty of jewelry.;One part coating, no mixing, no waste. Thin, durable coating is practically invisible. Will never yellow or discolor.;Prevent tarnish on copper, brass, bronze, silver, plated metals, & alloys. Not for structural metals like roofs or siding.;Protect plated metals, seal jewelry and stop skin discoloration. Preserve Patinas from discoloration or wearing off.;Easy to apply. 1 oz can covers about 4 square feet. Use for very small projects or trial. Removable.