Bag for storing e.g. bun, has intransparent area, transparent area, concertina-like folding wall provided at left and right side ends, and front and rear walls that are expandable from each other to opening slot

摘要

The bag (1) has a front wall (2) and a rear wall (3) that are connected with each other at a left side end (5) and a right side end (6). The walls are expandable from each other between a front end edge (7) and a rear end edge (8) to an opening slot (9). An intransparent area (10) and a transparent area (11) are provided. A concertina-like folding wall (15) is provided at the side ends. The intransparent area is made of paper, and the transparent area is made of plastic foil.