A kate-bukuro was a provisions bag used by the samurai class and their retainers.
For ordinary officers, these provisions bags were known as koshi-zuto.
These types of bags were made of twisted paper strings within the style of fine basketwork, and measures around 1 shaku to 9 sun (around 30 cm (12 in)).
Baked rice was also regularly carried in cold weather, due to its emission of heat.
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