Feature: NEW in Sealed, Sterilize Blister Package. Easily removed from cartridge for use in already pierced ears. Comes with for Butterfly Earrings backs, are grooved friction post for secure fastening. It's easy to use whether you are piercing yourself or someone else Comfortable to sleep in The earrings are in a unit ready to go to pierce your ears with next to no pain Do not tarnish leaving that greenish residue. Material: Copper Color: Gold & Silver, Size: Diameter :4 mm Length: 15 mm 5mm for Butterfly Earrings backs Quantity: 12 Pair Individually Packaged Note:1.Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 12 Pairs x Ear Piercing Earrings . (12 Pair Individually Packaged)