Patent ID: 8061897

Claim:
A package comprising: a package body formed by mating foldable laminate film materials and sealing peripheral edge portions of the mated film materials so as to form a content accommodation compartment inside the sealed peripheral edge portions, said sealed peripheral edge portions being subjected to an easily peel-off treatment so that the sealed peripheral edge portions are separated and peeled off from each other when the package is opened; a seal opening starting portion formed outside of one of the sealed peripheral edge portions so that the film materials are separated from each other at the seal opening starting portion; and at least one projection provided on an inner surface of the film materials forming the seal opening starting portion; wherein said at least one projection defines a thickness at said seal opening starting portion that is substantially equal to a thickness of the content accommodation compartment containing the content, wherein said sealed peripheral edge has a thickness that is less than said thickness of the content accommodation compartment; wherein said projections are provided on the surfaces of both the film materials; and wherein said projections provided on the surfaces of both the film materials are shifted in positions from each other.