[size] Diameter of pearl earrings about 5mm/ The width of the triangle about 20mm, length about 20mm [Material] alloy. Japanese-made glass beads. Cotton thread. teardrop shaped shell. swarovski crystal 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.