| 摘要 |
PROBLEM TO BE SOLVED: To easily unseal a bag having an opening part in which an article to be stored can be thrown in by a recipient, etc., by extending a sealing piece to either a face side or a back side of the opening part, and providing a cutting means on the sealing piece. SOLUTION: An envelope as a bag has a bag body 1 provided with a storage part 2, and an opening part 3 is provided on an upper side of the bag body 1. A sealing piece 4 is extended to the surface of the opening part 3 side of the bag body 1. Two perforations are formed on the face side of the sealing piece 4, and a film 6 is adhered to the back side of the sealing piece 4. When the envelope is used, a sender stores an article to be stored in the storage part 2, and then, a glue is adhered to the back side of the sealing piece 4 except a part where the film 6 is adhered, and the opening part 3 is sealed by attaching the sealing piece 4 to a back side 1b. When a recipient unseals the envelope, the sealing piece 4 is cut and unsealed along the perforations by holding one end of the part between the perforations, and pulling it to the right direction.
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