Teardrop Sterling Silver Synthetic Opal Dangle Earrings Vintage Antique Style (E23631) Part Size : 8 x 10 mm / Stone size : 4 mm x 6 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