Air cushioned shipping bag production for dispatching items, involves forming sight opening, placing window transparent plastic strip over sight opening, and sealing window transparent plastic strip to sight frame

摘要

A bubble wrap (3) is laminated on part of an external paper and then sealed to the external paper at least along the periphery of a window (2). A window opening is formed, by punching the window and a window transparent plastic strip is placed over the window opening so as to overlap a window frame. The window transparent plastic strip is then sealed to the window frame.