Travel Mug

FIG. 1 is a perspective view of the travel mug illustrating the new design; FIG. 2 is a right side view thereof; FIG. 3 is a left side view thereof; FIG. 4 is a front view thereof; FIG. 5 is a back view thereof; FIG. 6 is a top view thereof; FIG. 7 is a bottom view thereof; and, FIG. 8 is a cross-sectional view thereof along line 8 - 8 of FIG. 6 , the broken lines showing a portion of the travel mug for ease of illustration. The broken line portions form no part of the claimed design.