Screw Back Pearl Cartilage Piercing Jewelry:The earring posts 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 toddlers pearl earrings,women pearl earrings.These are the perfect earrings for everyday or any special occasion. Flat Back Pearl Helix Earrings:6mm Pearl,silver color,this kind of screw-on back pearl earrings good as helix pearl earrings. Material:Made of 316L surgical steel,Nick-Free and Lead-Free,Safe to Sensitive ears Ready for Gift:One pair of pearl stud earrings packed into PU evelope,perfect gift for mom,toddlers,girlfirend on Valentine'day,mother's day,and etc Flat Screw Back Pearl Cartilage Earrings are Made of 316L Surgical Stainess Steel,Nick-Free and Lead-Free,Safe to Sensitive ears,100% Handmade Pearl Helix Earrings