| 摘要 |
PROBLEM TO BE SOLVED: To solve a problem that a conventionally known packaging bag for preservation has a zipper part or a slide type zipper part of a packaging bag of an opening/closing type with a zipper formed only on one part of an upper part, and it is difficult to wash and dry details because the zipper part or the slide type zipper part are formed on the one part of the upper part.SOLUTION: A packaging bag includes a zipper for opening and closing an opening part, and the opening part having the zipper is formed on each of opposite end parts of the packaging bag.SELECTED DRAWING: Figure 1 |
