Preserve polished copper and nickel finishes from discoloration and wear. Thin, durable clear coat that will never yellow or discolor. Prevents tarnish and fingerprints on polished copper and polished nickel. One part coating: no mixing, no waste. Easy to apply. MetalProtect is a revolutionary product, offering unparalleled protection to all of our polished copper and polished nickel sinks and bathtubs. When an unchanging finish is desired, MetalProtect is an easy-to-apply, long lasting barrier against tarnishing and fingerprints, providing months or years of maintenance-free use. Available in 4oz and 16oz sizes. Use one 4oz can for most small sinks, two 4oz cans for larger and kitchen sinks, and one 16oz can for bathtubs.