Cup Lid

FIG. 1 is a front view of the cup lid showing our new design; FIG. 2 is a back view thereof; FIG. 3 is a left side view thereof; FIG. 4 is a right side view thereof; FIG. 5 is a top view thereof; FIG. 6 is a bottom view thereof; FIG. 7 is a perspective view thereof; and, FIG. 8 is another perspective view from right bottom thereof. The broken lines in FIG. 6 depict portions of the cup lid that form no part of the claimed design.