Material: 18K Triple gold plated, anti-tarnish • Hope Size: 11.5x8.5mm • 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.Lead-Free & Cadmium Free & Nickel Free • All sizes are approximate