| 摘要 |
PROBLEM TO BE SOLVED: To provide a bag with a zipper made of synthetic resin wherein while functions of the bag with a zipper which has convenient functions that the zipper can be re-opened/re-closed, air permeability suitable for a packaged object and an engaged state can be secured. SOLUTION: The bag 1 with a synthetic resin zipper comprises a base piece or a tape-like piece 4 formed at a base of a zipper 3 on an internal face of an opening 2 of the bag 1 wherein adhesive portions 5 of an appropriate length are plane-stuck at intervals along a lengthwise direction of the piece 4 and the intervals serve as air permeable portions 6 for the inside and the outside of the bag. The adhesive portions 5 may be provided at intervals with an appropriate length and width according to permeability requirements between the inside and the outside of the bag. |
