A storage case for a special mask made of "Kiso cypress", which is said to be a representative of Japan's three major beautiful forests (Kiso cypress, Tsugaru Hiba, and Akita cedar). The cypress wood in this area dates back to the Azuchi-Momoyama period, when Toyotomi Hideyoshi used it as a building material for Osaka Castle and Fushimi Castle. In the Edo period, Tokugawa Ieyasu made use of a lot of wood as the Owari Tokugawa territory of Kiso. The administration of the Owari domain continued until Meiji 2, after which it became a state-owned government forest. At Ise Jingu Shrine, the ceremonial relocation of the shrine is held every 20 years, and until the Kamakura period, timber was cut down from the mountain of Jingu, but due to the depletion of good wood, from the Edo period, timber for use began to be cut from Kiso Valley. Hinoki is said to have antibacterial and deodorizing effects, making it suitable for keeping masks clean. The faint scent of cypress mushrooms and the smooth touch are pleasant, and the finish is luxurious, and it is also recommended as an interior for the entrance or living room. It is a size that fits 50 regular-size non-combustible cloth masks as it is. The shape is a stepped lid type (with handle) that is easy to put in and take out. The square pattern that can be seen on the corner surface of the product is proof that the construction method called "ant grafting" is adopted. It is a traditional craftsmanship used when connecting solid wood at right angles and when you want to maintain strength without using different materials such as nails.