925 Silver Earring Backs: These earring bases are made of authentic 925 Sterling Silver and are filled with premium clear silicone that is lightweight and comfortable to wear. The material is safe and won't hurt your skin, you can wear it with confidence. Quantity And Size: Our product size of long is 5mm,diameter is 4mm , hole is 0.5mm , 3 colors, 2 pairs of each color, a total of 6 pairs, can fully meet your daily replacement.It's also a plastic bead container measuring 6.8x5.2x1.1cm, which can be a great way to organize these earring backs. Good Replacement: These sterling silver earring backs are an ideal replacement for your lost earring backs and posts. It fits most earrings allows you to securely wear large diamond and pearl studs and enjoy your dates and partiesso you never have to worry about losing them again. The Right Size And Easy To Use: The earring backs are flexible and sturdy, easy to grip, you can adjust the tightness of the earring backs by hand according to your needs, easy to put on and take off the earrings. Properly sized holes ensure that the earrings do not fall off or slip off. Good Gifts For Women: Different colors of earring backs can be worn with different colors of earrings, and even heavier weighted earrings will hold up well. If you have a female friend who likes to collect earrings, this is the perfect gift for them!