ProtectaClear 4 Oz. Clear, Protective Coating for Metal 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. Protect plated metals, seal jewelry and stop skin discoloration. Preserve Patinas from discoloration or wearing off. Easy to apply. 4 oz can covers approximately 25 square feet. Use for very small projects or trial. Removable. Unsure what you need? Click on Flowchart image for help. Is a self leveling, fast drying, clear protective coating that will keep metal looking freshly polished. Is tough and durable but practically invisible. Protects from tarnish, corrosion, oxidation, rust, fingerprints and other damaging elements. Has superior resistance to salts and chlorines so its a perfect solution for metals that are in outdoor/indoor pool areas and even in ocean environments. A 16oz. can of ProtectaClear Coating will protect about 100 square feet of metal. A Quart of ProtectaClear Coating will protect about 250 square feet of metal. A Gallon of ProtectaClear Coating will protect about 1000 square feet of metal.