Screw back Pearl Stud Earrings: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:10mm pearl,gold color.This kind of screw-on flat back pearl earrings good as sleep 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,girls,toddlers,girlfirend on Valentine'day,mother's day,and etc 100% handmad pearl stud earrings,they are made of 316L surgical stainess steel,Nick-Free and Lead-Free,safe to sensitive ears.