SOFT AND DURABLE: safety Earring Backs are made of clear silicone rubber, pliable and comfortable to wear, Safe and No reactions to very sensitive skin. .ABUNDANT AMOUNT: quantity: 1000 x clutch Earring Backings, enough for your spare and replacement, keep a long time use to replace your lost or torn one. .SMALL AND LIGHT: bullet clutch ear backs pad diameter is 4 mm and 3 mm in height, small and portable. .EASY TO USE: easy to grasp, flexible clutch earring backstop pad slide onto the posts easily, and they stay on secure earrings not lost. .WARM NOTE: earring safety backings are small jewelry making accessories & supplies, please keep it away from little kids. .