✅Hypoallergenic& Comfortable Materials: Made by 18K gold plated silver metal earring backs and high quality clear silicone inside, will not irritate your skin, this kind of bullet earring backs is good choice for women men boy girls and kids. ✅Secure Locking Design: The earring backing support with built-in silicone to ensure comfortable wearing, keep your earrings safe forever. The locking earring backs not only makes it double secure your earrings and the good looking earrings backs easier to match with any earrings and day looks. ✅Locking Earring Backs Size: 0.24"/6mm x 0.24"/6mm, fit for 0.031-0.042 inches of earrings post, lightweight and comfortable. This Standard size earring backs are easy to grasp, clutch earring backstop pad slide onto the posts easily, stay on the earrings no lost anymore. ✅Packaging Quantity: Total have 8pcs/4pairs included in the package. Perfect Choice for your all kinds of stud earrings and heavy droopy earrings. Also a good gifts share with your family and friends.