Electric Lunch Box

FIG. 1 is a front, right and bottom perspective view of an electric lunch box, showing my new design; FIG. 2 is a rear, left and top perspective view thereof; FIG. 3 is a front view thereof; FIG. 4 is a rear view thereof; FIG. 5 is a left side view thereof; FIG. 6 is a right side view thereof; FIG. 7 is a top plan view thereof; FIG. 8 is a bottom plan view thereof; and, FIG. 9 is an enlarged view of portion 9 of FIG. 2 . The broken lines shown in the drawings illustrate portions of the electric lunch box that form no part of the claimed design. The dot dash broken lines indicate cutoff boundaries for enlarged detail portion views and form no part of the claim.