| 主权项 |
1. A mouth mask, including:
a flexible sheet body, integrally formed, having a first surface and a second surface opposite to the first surface, the first surface protruding to form an abutting portion for abutting against a front side of a chin and a supporting portion for abutting against a lower side of the chin, the abutting portion including a first opening formed on the second surface, the supporting portion including a second opening formed on the second surface, the flexible sheet body further including two connecting portions, the two connecting portions located by two opposite sides of the abutting portion and the supporting portion respectively, the flexible sheet body further including a second waved structure which laterally extends at least between the two connecting portions and the abutting portion, the flexible sheet body further including a third waved structure arranged transversely relative to the abutting portion and the supporting portion, the third waved structure being arranged around the supporting portion. |
