Packing Box

FIG. 1 is a top, front perspective view of a packing box, showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is an another perspective view showing the packing box, in open configuration.

All the broken lines in the drawings depict portions of the packing box that form no part of the claimed design.