HYPOALLERGENIC MATERIALS-The earring posts are made of High-quality metal and the earring hooks are made of High-quality metal, which are hypoallergenic, comfortable and safe to use, they are friendly for allergic earsA VARIOUS KINDS OF EARRING BACKS-These earring posts and backs includes two kinds of material earring backs ( silicone earring backs)COME WITH JEWELRY MAKING TOOLS-The earring kit comes with a bent tweezer and a jump ring opener. The tweezer can help you the small jewelry findings while the jump ring opener can help you open and close jump rings easilySUITABLE FOR A VARIETY OF OCCASIONS-These earring supplies are not only suitable for many people, but also fit for a variety of occasions, such as daily wearing, wedding or party gathering. You can create your unique style earrings to show your personalitiesColour: silverMaterial: metalSize: 12.5 x 6.2 x 2cmPackage Contents:200 x jump loops50 x earring posts50 x screw eye pins100 x eye pins200 x earring backs50 x earring hooksOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.