| 摘要 |
PROBLEM TO BE SOLVED: To provide a versatile lid material having a dead holding property even if not possessing a layer made of an aluminum foil.SOLUTION: A lid material 1 of a multilayer structure to close an opening (42) of a container 40 has one paper layer 11, and another paper layer 12 with a lower density than that of the paper layer 11 is laminated on the container 40 side of the one paper layer 11. |
