The ornamental design for packaging label matching product button, as shown and described.
FIG. 1 is a perspective view of a showing my new design;
FIG. 2 is a front view thereof;
FIG. 3 is a back view thereof;
FIG. 4 is a right view thereof;
FIG. 5 is a left view thereof;
FIG. 6 is a top view thereof; and,
FIG. 7 is a bottom view thereof.
The dashed broken lines are directed to the environment and are for illustrative purposes only and form no part of the claimed design. The stippling indicates that the color on the packaging label matches the color on the product button.