| 摘要 |
The present invention is provided to receive a food freshness preserver without touching a sandwich. A pair of packaging composition sheets (1, 11) of a plastic film body is overlapped. A packaging bag comprises a header of a lower unit of the header, a packaging bag division attaching unit (H1), and side attaching units (H2) attached to each other. The sandwich is inserted into the packaging bag which seals an opening (B). The packaging bag composition sheet has a gas prevention feature. A non-attaching unit (R) is installed in a part of a header/packaging bag division attaching unit. The food freshness preserver (21) is attached to a position in which the header upper attaching unit and the header/packaging bag division attaching unit are inserted. |
