| 摘要 |
PROBLEM TO BE SOLVED: To provide a vacuum storage bag for reducing the environmental pollution by reusing the bag repeatedly a plurality of times. SOLUTION: An opening 2 is formed on a part of the bag 1 with the opening used as an inlet and outlet and provided with a sealable structure, and a rigid supporting body 4 with a through-hole 11 is mounted on a position covering the opening 2 and facing the opening 2 at least on one side of the opening 2, and an unbreathable sheet 3 with a vent hole 3a as a check valve is so placed on a position offset from the through-hole 11 as to directly or indirectly bonded on the upper face of the rigid supported body 4, and the interior of the bag is kept to be vacuumized through the check valve 3.
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