Gallon water bottle with flip cap

FIG. 1 is a perspective view of a gallon water bottle with flip cap showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

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

FIG. 7 is a bottom plan, view thereof.

The broken lines arc for the purposes of illustrating portions of the gallon water bottle with flip cap and form no part of the claimed design.