It is a keyed case of wool felt in the shape of a parakeet.
There is a metal ring to lock it inside.
It will be a little thicker so stand up.
It is also molded hard.
◆ Height (maximum location) 110mm
◆ Width (maximum location) 70mm
◆ Thickness (maximum part) 25mm
◆ String length 110mm
【material】
Wool felt
Wood beads