Flask

FIG. 1 is a front view of a flask;

FIG. 2 is a rear view of the flask depicted in FIG. 1 ;

FIG. 3 is a top view of the flask depicted in FIG. 1 ;

FIG. 4 is a bottom view of the flask depicted in FIG. 1 ; and,

FIG. 5 is a perspective view of the flask depicted in FIG. 1 .

The broken line showing of the top indicia, bottom contours, and the draw tube components illustrate portions of the flask that form no part of the claimed design.