Silvertone Skull Stud Earrings Glass Cabochon Nickel and Lead Free . Hypoallergenic . Perfect earrings for everyday wear Earrings are 1/2 Inch in Diameter ( 12 mm ) Gift Boxed . Will make a Wonderful Gift ! These Art Picture Skull Stud Earrings made of zinc alloy and rhodium plated . These earrings are nickel and lead free , hypoallergenic and perfect for everyday wear . Earrings are 1/2 Inch in Diameter . Gift Boxed. Will make a Great Gift !