• Stud Cartilage Earring with Aurora Borealis CZ on oval shaped Top • Jewelry is partially plated in Black for an antique look • Bar Thickness : 16GA | 1.2mm • Bar Length : 1/4' | 6mm • Top Size : 8 x 10mm • Ball Size : 4mm • Material : 316L Stainless Steel, Zinc Alloy, Cubic Zirconia