Bag

FIG. 1 is a left side view of a bag showing my new design; FIG. 2 is a front-left side perspective view thereof; FIG. 3 is a front view thereof; FIG. 4 is a front-right side perspective view thereof; FIG. 5 is a right side view thereof; FIG. 6 is a rear view thereof; and, FIG. 7 is a top view thereof. The shorter-dashed broken lines represent features that form no part of the claimed design. The longer-dashed broken lines immediately adjacent to the shaded area define the bounds of the claimed design and form no part thereof. The longer-dashed broken lines depicting the remainder of the bag form no part of the claimed design.