Chanto is a brand of kitchen appliances, which are made based on the traditional technologies of Hikone Buddhist altar, a traditional craft good of Shiga Prefecture.

The container, with a unique, sliding lid, colored in fluorescent colors, can be used as a container for snacks and appetizers.

The main point of its design is the exquisite combination of the colors of the body and the lid. It is also possible to stack them and directly store them on a table or in a refrigerator as a bento box or a multi-tiered food box.
https://www.shokunin.com/en/chanto/container.html