Color: transparent Materials or Model Number: Rubber Measurements: 3mm Quantity: 144 Shape or Style: Cylindrical shape * Help Prevent Earring Loss. Lightweight Clear Earring Safety Backs. * Slightly Smaller Size. Lot Of 144 (1 Gross). * Tired of losing your dangle earrings? * Having trouble keeping them on your display? * Here's the handy dandy solution - lightweight clear rubber safety sleeves. * These backs are a smooth tube measuring 3mm long and 3mm in diameter. * Hole is very small, can fit 26 gauge wire. * Offers a very tight fit on up to 20 gauge wire. * Use care when sliding it onto thin wire to prevent bends and breaks. * Package Includes:144x Earring Backs Safety Backs Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.