Rice bitsu of all domestic paulownia trees. One square comes with one. Due to the humidity control effect of the nature of paulownia and the fact that craftsmen finish it by hand to make it airtight, the humidity inside the cabinet is kept at an average of 50%. Paulownia itself also has an insect repellent effect, so it keeps insects away. Rice can be stored in a delicious state all year round. In addition, it is ideal for storing not only rice but also bread, sweets, dry foods, etc.