Sobly Jewelry Mens Womens Stainless Steel Square Cubic Zirconia Helix Cartilage Tragus Ear Barbell Stud Earrings Material: Hypoallergenic Stainless Steel; Stone: CZ Cubic Zirconia Stone Size: 3mm / 4mm / 5mm / 6mm; Earring Pin: 1.2mm(16 Gauge) Metal Color: Black Plated; Zirconia Color: White Quantity: 4 Pairs (1 Pair / Size)