The back of the earrings is made of transparent silicone material, which is soft to the touch and comfortable to wear.Large Quantity: Quantity: 1200 x Clutch Earring Backing, enough as your backup and long term replacement to replace lost or torn earrings.Small and Lightweight: The clutch ear pads are 4mm in diameter and 3mm in height, making them small and portable.EASY TO USE: Easy to grip, the clutch earring support pads slide easily into the ear post and won't get lost.Comes with a handy box, great bonus and convenience. Reminder: Earring backings are accessories and supplies for trinket making, please keep them away from children.Note: Data are all measured manually, please allow for an error of 1-3cm. Due to differences in light and display, there may be a certain color difference, which is subject to the actual object received.