| 摘要 |
PROBLEM TO BE SOLVED: To provide a packaging bag which can store a to-be-stored object containing effective ingredients or a to-be-stored object absorbing a desired ingredient in a first storage chamber for a long period while keeping the quality by packaging optimally according to characteristics required for the packaging material and/or their required levels.SOLUTION: A packaging bag is used for vaporizing an effective ingredient of a to-be-stored material into the peripheral atmosphere or causing a to-be-stored material to absorb a desired ingredient in the peripheral atmosphere, and the bag body includes a first sheet member having barrier properties to the effective ingredient or the desired ingredient to be absorbed and a second sheet member permeable for the effective ingredient or the desired ingredient to be absorbed and is divided into a first storage chamber surrounded by the first seat member and stores the object and a second storage chamber surrounded at least partially by the second sheet member by a partition part capable of communicating with the first and second storage chambers. |
