[size] The width of the earrings about 1.5cm/ earrings length about 2.5cm(Not include stud earrings) [Material] alloy. Dyed wood beads. Cotton thread [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.