FIG. 1 is a top perspective view of a first embodiment of a bottle cap showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a side elevation thereof, the corresponding view from the opposite side being a mirror image;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a top perspective view of a second embodiment of a bottle cap showing our new design;

FIG. 7 is a rear elevational view thereof;

FIG. 8 is a side elevation thereof, the corresponding view from the opposite side being a mirror image;

FIG. 9 is a front elevational view thereof; and,

FIG. 10 is a bottom plan view thereof.