Double-faced Sterling Silver Ivory Simulated Beads Clear Ribbon Bow Cz Stud Earring Pair METAL: .925 sterling silver (Hypoallergenic) STYLE: Double-faced Simulated Ivory Ball with 8mm Ribbon Bow Clear Cubic Zirconia - Earrings Pair FRONT STUD: 8mm BACK STUD: 16mm A must have for your earring collection!