18k Triple gold plated, anti-tarnish Silver: Rhodium Plated Gold: 18K Gold Plated Black: Palladium Plated Rose Gold: Palladium Plated over Copper Usage: Gold Filled findings have a precious metal look. Ready to wear. -------------------------------------------------- Ship from the U.S.A in 1-2 business days. * Lead-Free & Cadmium Free & Nickel Free*