FIG. 1 is a top plan view of an ear plug of the present invention;
FIG. 2 is a front elevational view thereof, the rear left side, and right side elevational views being identical;
FIG. 3 is a bottom plan view thereof; and,
FIG. 4 is a top, front perspective view thereof.
The broken lines shown in the drawings are for environmental purposes only and form no part of the claimed design.