| 摘要 |
A bag of polyethylene or like material is provided with a valve and a pocket at its top, the valve and pocket being disposed in side-by-side relation and the valve projects beyond the pocket. The pocket receives a rigidifying insert provided with an opening so that the bag may be held, and the insert includes tabs for maintaining the valve closed when the projecting free end portion of the valve is folded over to overlie the pocket region.
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