Cap Button of Water Bottle

FIG. 1 is a perspective view of the cap button of water bottle showing my new design;

FIG. 2 is another perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof; and,

FIG. 9 is a perspective view thereof when the cap button is in use state.

The broken lines in the figures illustrate portions that form no part of the claimed design.