Inspired by the 3rd and 4th century Greco Roman Hercules knot which symbolizes strength, love and connection, this necklace is a modern version with a beautiful interplay of gold and silver and contoured, etched lines. It will look great layered with charm-like necklaces. Our silver items have a protective lacquer finish to help prevent oxidation. To care for our silver items, simply wipe down your pieces with a dry, 100% cotton cloth. Keep them away from water, jewelry cleaners, silver cleaners, treated polishing cloths, perfumes, hairspray, lotions, hand-sanitizers and make-up. We offer our own that you can safely use.