Back Bag

FIG. 1 is a perspective view of a back bag showing my new design;

FIG. 2 is another perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof; and,

FIG. 9 is a perspective view of the back bag, shown in an alternate state of use.

The short thick evenly spaced broken lines in the drawings depict stitching and form no part of the claimed design. The long thin evenly spaced broken lines in the drawings depict portions of the back bag that form no part of the claimed design.