LID MATERIAL AND CONTAINER

摘要

PROBLEM TO BE SOLVED: To provide a lid material which can be efficiently produced while achieving both sterilizability after sealing and visibility of stored objects.SOLUTION: There is provided a lid member 1 which comprises: a film portion 2 having transparency; a seal portion 3 provided on one surface of the film portion 2; and a filter portion 4 mounted on the seal portion 3 so as to cover a part of the film portion 2. The filter portion 4 is mounted to cover two edge parts of the film portion 2 which face each other so as to be continued.