FIG. 1 is a perspective view of a bottle and cap showing our new design; FIG. 2 is a side elevational view thereof, the other side being a mirror image; FIG. 3 is a front elevational view thereof; FIG. 4 is a rear elevational view thereof; FIG. 5 is a top view thereof; and, FIG. 6 is a bottom view thereof. The broken lines in the drawings are for illustrative purposes only and form no part of the claimed design.