Bottle Cap

FIG. 1 is a perspective view of a bottle cap according to the new and ornamental design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines on the bottle cap represent portions of the bottle cap that form no part of the claimed design. The broken line showing of a bottle represents environment and forms no part of the claimed design.