The pattern of this series are named "Four-leaf clover",designed with beads by designer. [size] Diameter of earrings about 10mm [Material] alloy. Japan-made glass beads. Swarovski rhinestone [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.