| 摘要 |
PROBLEM TO BE SOLVED: To provide a self-standing grain storage bag wherein a height of an opening of the bag can be temporarily reduced lower than its tense state while the bag can stand by itself even in a state its opening is low. SOLUTION: This self-standing grain storage bag comprises a bag body including at least a bottom and a barrel, rod materials 4 provided detachably in a longitudinal direction of an outer periphery of the barrel and belts 6 with one end hanging from the rod material and the other end tensely attached to an inner periphery of the barrel, wherein further, an opening of the bag is located below a state where tension is applied to a whole longitudinal direction of the barrel. The bottom and parts where the belts are tensely attached of the longitudinal direction of the barrel are in tension.
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