| 摘要 |
It is an object of the present invention to provide a bag which is free from development of tears around a hole formed therein when pierced with tubular or hollow needle suction means. In accordance with the present invention, there is provided a bag for containing a liquid or powdery material, the bag comprising a penetrable portion to be pierced with tubular or hollow needle suction means for delivering the material out of the bag, the penetrable portion comprising a laminated sheet having an outer layer including at least one of a calendered film (e.g., aluminum foil) and a stretched film, and an inner layer of an unstretched film, wherein a peeling strength between the outer layer and the inner layer is 0.0490 to 3.4323 N/15 mm width.
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