gunny sack; burlap bag
A coarse sack made of jute or hemp, traditionally associated with goods from Nanjing. Used for storing or transporting rice, potatoes, and other bulk items.
On farms, harvested potatoes are stored in gunny sacks.
南京袋に詰めた米俵が倉庫に積まれていた。
Bags of rice packed in gunny sacks were piled up in the warehouse.