The pattern of this series are named "sparkling star",designed with beads by designer. [size] Diameter of earrings about 10mm [Material] Iron-on metal star studs. alloy. Japan-made glass beads [how to keep it] clean the accessories, and put it in zipper bag. [delivery way] Only by post.(Registered Air-Parcel) If you require faster shipping time, please send us a Pinkoi message.