925 STERLING SILVER and 18K YELLOW GOLD PLATED: Earring back use hypoallergenic material 925 sterling silver and 18k yellow gold plated, nickel free, lead free, non-irritating to sensitive ears, safe to wear, and they can keep durable shinning.
PERFECT SIZE: The locking earring backs for studs are approximately 0.24inch (6mm) in diameter, fit for 0.027inch-0.039inch earrings posts, widely applicable to earring nuts, most stud earrings and post earrings.
EASY to USE: Simply slide the earring post into earring support backs and your earrings will fit comfortably in your ears. These back of earring replacement are easy to grip, easy to put on and take off. Won't lost, won't slip.
UNIQUE DESIGN: Earring backs lifters can comfortably and securely hold your earrings in place, these back piece for earrings perfectly avoid the bad wearing experience caused by droopy ears, heavy earrings, elongated earring holes and bad piercings.
WIDELY USED: 40 pcs in the package, enough quantity. Excellent for DIY earring lovers, earring back replacements, earring repairs and more.A small box is included for storage, earring stopper is also great gift to share with family and friends.