Set of 4 Opal Opalite Tragus Stud Barbell Cartilage Bar Helix Piercing 16g, 3mm, 4mm, or 5mm Set of 4 flat top opalite gem cartilage/tragus barbells 16g (1.2mm) Thickness, Bar length: 1/4" (6mm) Choose your size and receive 1 of each color in that size (blue, green, pink, and white) Made of 316L Surgical Steel and Synthetic Opals Choose from 3mm, 4mm, or 5mm opalite size You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!