FIG. 1 is a front elevational view of a pet bag showing my new design;
FIG. 2 is a rear elevational view thereof; and
FIG. 3 is a left side view thereof;
FIG. 4 is a right side view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof;
FIG. 7 is a perspective view of a pet bag showing my new design;
FIG. 8 is another perspective view thereof;
FIG. 9 is a perspective view showing that a pet bag is in a open status; and,
FIG. 10 is another perspective view showing that the pet bag is in a open status.
The broken lines in the figures are for the purposes of illustrating portions of the pet bag, which form no part of the claimed design.