In 1885 Japan signed the Convention du Mètre and in 1886 converted all of its traditional measures to the metric system.
Masu existed in many sizes, typically covering the range from one gō (一合枡, ichigōmasu, c. 180 mL), one Shō (ja:一升桝), isshōmasu c. 1.8 L) to one to (一斗枡, ittomasu, c. 18 L).
Drinking vessels are made from hinoki (Japanese Cypress wood), as it imparts a special scent and flavor.
This symbolizes the generosity of the toaster to their friends and how they wish to share their happiness and good fortune with them.
A small 65 by 65 by 55 mm (2.5 by 2.5 by 2.25 in), lidded form of masu, is sold for serving pepper, salt, sugar, and other dry condiments at the table.