Drinking bladder

[0001]FIG. 1 is a top, front, right side perspective view of a drinking bladder in a closed status, showing the new design;

[0002]FIG. 2 is a front view of the drinking bladder in an open status;

[0003]FIG. 3 is a top, front, right side perspective view of the drinking bladder in the open status;

[0004]FIG. 4 is a front view of the drinking bladder in the closed status;

[0005]FIG. 5 is a rear view of the drinking bladder in the closed status;

[0006]FIG. 6 is a rear view of the drinking bladder in the open status;

[0007]FIG. 7 is a right side view of the drinking bladder in the closed status;

[0008]FIG. 8 is a left side view of the drinking bladder in the closed status;

[0009]FIG. 9 is a top plan view of the drinking bladder in the closed status; and,

[0010]FIG. 10 is a bottom plan view of the drinking bladder in the closed status.

[0011]Broken lines depict portions of the drinking bladder that form no part of the claimed design. The drinking bladder is shown with a symbolic break in its length enclosed with a bracket. The appearance of any portion of the article between the break lines forms no part of the claimed design.