Flask Tumbler

FIG. 1 is an exploded front side perspective view of a flask tumbler showing our new design;

FIG. 2 is an exploded bottom side perspective view thereof;

FIG. 3 is a front side perspective view thereof;

FIG. 4 is a front side view thereof;

FIG. 5 is a back side view thereof;

FIG. 6 is a bottom side view thereof; and,

FIG. 7 is a top side view thereof.

The broken lines in the drawings depict portions of the flask tumbler that form no part of the claimed design.