Product Details16 Gauge 5/16 Green Synthetic Opal Bottom Curve Hinged Segment Ring Style, ease, and understated color - this 16 gauge cartilage jewelry has it all! It's made with an 8mm durable 316L surgical grade stainless steel hinged circular ring. It features a bottom curve of green synthetic opal for a look that's on-trend and wonderfully stylish. It also features a non-removable, hinged segment that makes insertion and removal a snap. And you can rock this ring in multiple piercings including helix, tragus, and daith. Keep it simple and simply elegant with this understated cartilage piercing ring!Specifications16 Gauge (1.2mm), 5/16" (8mm), 316L Surgical Grade Stainless Steel Hinged Circular Ring, Synthetic Opal