FIG. 1 is a front and left side perspective view of a flexible pouch showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevational view thereof, with the rear elevational view being identical; and,

FIG. 5 is a left elevational view thereof, with the right side elevational views being identical.

The broken lines showing an extrusion nozzle in FIGS. 1, 2, 4 and 5 are for illustrative purposes only and form no part of the claimed design.