Friction Earring backs slide on and slide off the earring post. These earring backs are a great jewelry finding to have on hand never know when someone is going to lose an earring back.Our most popular size! This Sterling Silver Earring Back is medium weight, slide on easily and fit comfortably. They have an excellent grip, and hold almost any size Earring securely.Size: 5.5mm wideFits Light and Medium Earrings* Order this for 1 Pair