The largest wooden barrel measured 9 m (29 ft 7 in) tall, 9 m (29 ft 7 in) in diameter, and has a capacity of 540,000 litres (142,652.9 US gal). It was made by Fundokin Soy Co. Ltd. in Usuki City, Oita, Japan, in 2002.

The barrel was made for brewing soy sauce.