Feature:NEW in Sealed, Sterilize Blister Package. Easily removed from cartridge for use in already pierced ears.Comes with Butterfly Earrings backs, are grooved friction post for secure fastening.It& 39;s easy to use whether you are piercing yourself or someone elseComfortable to sleep inThe earrings are in a unit ready to go to pierce your ears with next to no painDo not tarnish leaving that greenish residue.Material: Copper & CrystalsColor:Metal Gold & SilverCrystal White & Multi-Colors,Size:3mm Clear CZ Studs 5mm Butterfly Earrings backsQuantity:12 Pair Individually PackagedNote: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)