Conch Piercing Jewelry Material: Flat back earring made of implant-grade F136 pure titanium,tragus piercing jewelry is nickel-free,lead-free,lightweight, waterproof,non-tarnishing. Titanium flat back stud is comfortable to wear due to the highly polished surface Piercing Stud with Multiple Sizes: Post Thickness =18G (1.0mm);Bar Post Length: 1/4"(6mm),5/16"(8mm) and 3/8"(10mm); You will receive: 6mm post × 1, 8mm post × 1, 10mm post × 1,stud top × 1.Suitable for cartilage earring,conch earrings,daith earrings,helix earrings,tragus earrings for women,ear stud for men,labret studs,medusa piercing jewelry,montroe jewelry Internally Threaded Stud: The top of internal thread design can easily align the holes and install the top easily.No worry about the titanium tragus earring falling off easily,just tighten it gently.The flat back design make it comfortable during sleep,shower or sports outdoor activities Nice Gifts:The flatback piercing earring is beautifully packaged and ready for yourself,families,lover or friends. A sensual surprise for who you care on birthday,christmas ,Mother's Day,graduation,anniversaries,wedding celebrations Customer Service:If you have any questions with limerencia titanium earrings,please don't hesitate to reach out us.We'll respond within 24h These lip piercings are made of medical grade F136 titanium, lighter and more comfortable to wear than 316L surgical steel, nickel and lead free, 100% hypoallergenic and suitable for sensitive skin.