JOVIVI Stainless Steel 6mm Ear piercing Earrings studs 12 pairs Mixed Colors White Metal Stone: Synthetic Gemstones Mixed Colored Birth stones Color with White Stainless Steel Metal Earring Size 6.0 mm All earrings exceed all F.D.A / E.C requirements. Earrings are sealed and sterilized in one packages. Comes with Butterfly Earrings backs, are grooved friction post for secure fastening. Ear piercing studs are not returnable if packaging has been altered. Sold per Dozen (You get 1 pair of each Month) Pin Gauge:0.6mm. Pin Length:10mm Quantity: 12 pairs(24pc)