Mailing bag e.g. envelope, for transporting e.g. catalog, has protective cardboard contained in interior of bag, including width and length corresponding to front wall or rear wall of bag, and fixedly attached to front wall or rear wall

摘要

The bag (1) has a narrow filling opening (4) closed by an adhesive strap (5). A protective cardboard (7) is contained in an interior of the bag. A width and a length of the protective cardboard correspond to a front wall (3) or a rear wall (2) of the bag. The protective cardboard is fixedly attached to the front wall or the rear wall. The front wall or the rear wall is partially glued or compressed with the protective cardboard in a line or in a zone (8), which extends along the filling opening. The bag is punched from a paper sheet.