The ornamental design for product packaging, as shown and described.
FIG. 1 is a front perspective view of an embodiment of a product packaging showing the new design;
FIG. 2 is a front perspective view thereof;
FIG. 3 is a back view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a top view thereof;
FIG. 7 is a bottom view thereof; and,
FIG. 8 is a top view showing the pouch with an open top.
The subject disclosure is directed to a new, original and ornamental design for product packaging, as shown and described, of which the following is a specification, reference being made to the accompanying drawings forming a part thereof.