Mug Lid with Thumb-lever

FIG. 1 is a top, front perspective view of a mug lid with thumb-lever;

FIG. 2 is a bottom, front perspective view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a side elevational view thereof;

FIG. 6 is an opposite side elevational view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

The broken lines represent both parts of the mug lid with thumb lever as well as environmental subject matter of an exemplary mug. None of the broken lines form part of the claimed design.