Topic Opening and closing the pochi sack is made easy.SolutionsAs bellows 4 is formed in the left and right arm of the said bag body, at the cover and the reverse side paper in the pochi sack which formed the opening in the closed-end and the surface, extending facilities it does tongue piece 5 in the surface of cover, 1 forming the interposition hole 6 of tongue piece 4 in the position where it opposes to said tongue one 4 destal of reverse side paper 2, the Interpolation deviation from it forms tongue piece 5 unrestrictedly. Choice figure Drawing 1
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