Special Niece Charm Lobster Clasp Heart Stering Silver 925 (E15037) Part Size : 11 x 11 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 - 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