To provide a bag body which is the bag body used for an envelope for mailing, a bag body for transportation, packaging a fresh food such as vegetables, other packagings or the like, and in which a piece of the bag main body is composed of a paper and the other piece is composed of a film, and wherein although advantages of both materials of the paper and the film are possessed, there exists no possibility of generating such problems as in the case of waste disposal processing, and there exists no possibility of generating such deformation as warping on the side edge part of the bag body by heating, and there exists no possibility of curling with moisture.
Either one piece 1a of the bag main body 1 is composed of paper and the other piece 1b is composed of a film made of a biodegradable resin, and both pieces 1a and 1b of the bag main body 1 are laminated and stuck on three side edge parts.
Seiichi Yakumaru
Hiroaki Nakatani
Tokuya Iwata
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