Synthetic Opal Silver Dangle Earrings Vintage Antique Style Stering Silver 925 Part Size : 19 x 18 mm / Stone size : 6 mm x 4 mm Material - genuine 925 sterling silver, Nickel and Lead free. Conform to International, European an American legislation regarding lead, nickel and heavy metal content. Finishing - Silver plated, Oxidized + E-coat protects the sterling silver from tarnishing for an extended period and lets the natural beauty of the sterling silver come through. Gift Box available