The woodblock prints are pasted on a paper tray.
The surface is waterproof,
Since it is not completely waterproof, it cannot be submerged or washed completely.
There is a loop of thread on the back, so you can use it as a wall hanging.

There are 4 types,
A. Hida
B. Shirakawa
C. Charcoal burner
D. Spring in Takayama