This is a unique food paper container for bento and lunch.
It is called onigiri rice ball paper box. If you put together like the picture,The shape is like square onigiri rice balls.
This is good for carrying onigiri rice balls at lunch.
The size - 7cm x 12cm x H 6.5 cm
4 in package.
*Please wrap onigiri in plastic wrap before you put onigiri inside of the box.