| 摘要 |
The bag has two material strips (3a, 3b) connected with each other and arranged above each other. Two folds (2) are formed at sides of a material web (1), where the sides are opposite to each other. Another material web (5) is connected with the two material strips and an end of the former material web, and air-permeable connections (4a-4d) are formed by intermittent welding seams in the latter material web. The material strips and the latter material web are made of transparent plastic. |
