| 摘要 |
The invention relates to a bag (1) with closure device (3). A bag 1 has an open end (1A), and a closure device having a mouth member (4) is secured around the open end of the bag. The mouth member (4) having a fold line (6A, 6B) such that the mouth member moves from a first position in which the mouth member defines an aperture (5) through which material can be passed through the mouth to a second folded position where one part of the mouth member engages another part whereby to seal the mouth member aperture and hence seal the bag. |
