1. [ Size and Package Included ]: 16G(1.2mm); Length: 5/16"(8mm) & 1/4"(6mm), Snake Stud top × 1, 6mm post × 1, 8mm post × 1, Finger Cot × 2, and Store Box × 1. 2. [ Suitable Location ]: Cartilage, Conch, Helix, Tragus, Flat and Lobe. 3. [ Replace ]: If you bought the piercings in FINE4U JEWELRY, you can Replace the top or post in the same gauge and the threading. e.g: 16g 8mm internally threaded flatback stud can Replace the 6/ 10mm length or the top. 4. [ Feature ]: ASTM F136 Titanium and certified by SGS, internally threaded, Hypoallergenic, and 100% nickel-free, 5A Cubic Zirconia. 5. [ Great Idea ]: It will be the new great ideas for your friends and families on Anniversaries, Birthdays, Christmas, Valentine's Day, and Advent Calendar. FINE4U 16G Snake Piercing Jewelry for Flat, Helix - ASTM F136 Titanium Hypoallergenic Cartilage Earring, Internally Threaded Nickel Free Flat Back Stud, Labret Body Ear Jewelry for Women