Product Details18 Gauge 5/16 Clear CZ Gem Oval Trio Implant Grade Titanium Push In Threadless Reversible Stud Earring Get triple the style with this 18 gauge cartilage jewelry. It's made with an 8mm ASTM F-136 implant grade titanium straight post. The front end features a trio of oval clear cubic zirconia gems in a fan shape and featuring a threadless design that makes insertion and removal a snap. The back end features a flower shape, for a charming change from the standard disc shape and you can wear it reversed for twice the style. You can even rock this jewelry in multiple piercings including lip, monroe, tragus, helix, and some conch piercings. With such an endearing style and such thoughtful details, this flat back earring is one you'll love three times as much.Specifications18 Gauge (1mm), 5/16" (8mm), ASTM F136 Implant Grade Titanium, Threadless, Push In, Flat Back, Reversible, Cubic Zirconia