Set of 12 Shamballa Rhinestones 8mm Crystal Fireball Disco Ball Stud Earrings, 925 Sterling Silver with Display (E20191) Size: 8mm. 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. Import