Ear plug

1. Ear plug

Figure 1.1 is a perspective view of an ear plug;

Figure 1.2 is a front view thereof;

Figure 1.3 is a left side view thereof;

Figure 1.4 is a right side view thereof;

Figure 1.5 is a back view thereof;

Figure 1.6 is a top view thereof; and

Figure 1.7 is a bottom view thereof.

The broken lines shown in Figures 1.1, 1.2, 1.4, and 1.5 illustrate portions of the ear plug that form no part of the claimed design.