The charms use 18K Gold plating, which makes for a long-lasting finish & the tarnish-resistance. 10pcs Round Zodiac Symbol Constellation Charm, Gold Zodiac Compass Charm, Hollow Zodiac Pendant, 18K Gold plated Stainless Steel Findings -Item Details Round Size: 19.5mm Ring Size: 0.8x5mm Material: 316 Stainless Steel Color: Steel / Gold (Will not easy to fade or tarnish) Quantity: 10pcs Thank you for stopping by,If you have any other questions, please feel free to contact me. 10Pcs Round Zodiac Symbol Constellation Charm, 18K Gold Plated Stainless Steel Findings, Compass Hollow Pendant