FIG. 1 is a perspective view of a hearing protective earplug showing a first embodiment of our new design;

FIG. 2 is a right side elevational view thereof, the left side front and rear elevational views view being a mirror image;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a perspective view of a hearing protective earplug showing a second embodiment of our new design; and,

FIG. 6 is a bottom plan view thereof.

It should be understood that the front, rear, left and right side elevational drawings for the second embodiment are identical to the drawing illustrated in FIG. 2. Moreover, the top plan view of the second embodiment is identical to that illustrated in FIG. 4.