Small Screw Back CZ Cartilage Piercing Jewelry:The earring posts 20G=0.8mm are threaded and feature a safety screw back design to ensure your earring backs stay safely in place at all times,wear as nap earrings,also suitable as helix earrings,tragus earrings.These are the perfect earrings for everyday or any special occasion. Flatback CZ Helix Earrings:3mm CZ,gold color,this kind of screw-on back cz earrings good as helix earrings. Material:Made of 316L surgical steel,nick-Free and Lead-Free,Safe to Sensitive ears Ready for Gift:One pair of cubic zirconia stud earrings packed into PU evelope,perfect gift for mom,girlfirend on Valentine'day,mother's day,and etc Flat Screw Back Cubic Zirconia Cartilage Earrings are Made of 316L Surgical Stainess Steel,Nickle Free and Lead Free,Safe to Sensitive Ears,100% Handmade Tiny CZ Earrings-Tragus/Cartilage/Conch/Helix-Dainty Piercing.