Portable Lunch Box

FIG. 1 is a perspective view of a portable lunch box 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;

FIG. 9 is an exploded perspective view of the portable lunch box; and,

FIG. 10 is a perspective view of the portable lunch box where the portable lunch box is in a configuration of use.

The broken lines in the drawings depict portions of the portable lunch box that form no part of the claimed design.