Alloy Flat Round Cell Phone Holder Stand, Rotation Finger Grip Ring Kickstand, PlatinumSize: about 1.22 inch(31mm) in diameter, 0.16 inch(4mm) thick, 0.94 inch(24mm) inner diameter. 
 
※Koa wood is a tree that has been used only by royalty since ancient times and is said to be the tree in which the gods reside. Even today, it is considered a very precious tree, and the amount of wood harvested is limited by regulations.