Poke-Free 24-Hour Comfort: Crafted for all-day wear without irritation of the piercings Medical-Grade Titanium: Safe for sensitive skin, no more green skin or allergies Tarnish-Free & Durable: Built to last, maintaining its shine and integrity over time We offer a wide range of sizes to accommodate all body and ear anatomy, ensuring a comfortable and perfect fit for everyone. Details: Sold individually Material: Medical-Grade ASTM F-136 Titanium Precious Opal Stone Dimensions: 3mm*4mm Finishing: 18K Real Gold PVD For Gold Version | No Plating For Silver Version Flat Back Disc's Diameter: 4mm Bar Type: Internally Threaded