主权项 |
1. A backpack comprising:
a strapping member comprising a first surface and a second surface opposite to the first surface, at least two straps being disposed on the first surface and at least one pivotal structure being disposed on the second surface; and a base structure comprising a plate member, at least one storing structure, and at least one containing structure, the plate member being pivoted to the strapping member via the pivotal structure and the plate member comprising a first surface and a second surface opposite to the first surface, the first surface of the plate member confronting the second surface of the strapping member, the storing structure and the containing structure being disposed on the second surface of the plate member; wherein the containing structure comprises an upper containing structure and a lower containing structure for accommodating fluid, a connecting structure is connected between the upper containing structure and the lower containing structure, and a stopper structure is disposed on the connecting structure. |