The bags are composed of the same material used in proprietary “vinylon” canvas #3 sails
produced by the Morino Sail and Rigging plant in Yokohama’s Kamome-machi
for maritime groups such as the Self Defense Forces.
They also use cotton canvas from Takeyari Inc. (formerly Takeyari Textiles Factory),
which made the high-quality cotton canvas that Yokohama Canvas, Inc.
exported between 1918 and 1943.
Produce by U.S.M.Corporation Y.H.C. NIPPON