Double-faced .925 Sterling Silver Acrylic White Beaded Simulated Pearl Clear Cz Stud Earring Pair METAL: .925 sterling silver (Hypoallergenic) STYLE: White Beaded - Double-faced faux Simulated Pearl with Clear CZ Stud Earrings Pair FRONT STUD: 8mm BACK STUD: 15mm A must have for your earring collection!