| 摘要 |
PROBLEM TO BE SOLVED: To provide a sleeve which can prevent a folding part from being lifted when the folding part is folded.SOLUTION: A sleeve 20 covers a body part of a bag 10. The bag 10 is manufactured by bag-making of a packaging material with a sealant layer laminated on the inner surface, and is provided with a projecting piece 13 striding over right and left side sealing parts 14 on an outer surface of one of a front surface side and a back surface side. A lower part from the projecting piece 13 is made a body part and an upper part from the projecting piece 13 is made a folding part, and the bag 10 can be sealed by folding the folding part to a side of the body part oppositely to the projecting piece 13 with a root of the projecting piece 13 as a base point while a part of the folding part is opened. The sleeve 20 includes a front surface and a back surface, has such a shape that at least its upper part is opened, and includes holding means 24 for holding the folding part in a folded state at one of the front surface and the back surface. |
