Portable Cooler

FIG. 1 is a top and front perspective view of a portable cooler showing our new design; FIG. 2 is a front elevation view thereof; FIG. 3 is a rear elevation view thereof; FIG. 4 is a right-side elevation view thereof; FIG. 5 is a left-side elevation view thereof; FIG. 6 is a top plan view thereof; FIG. 7 is a bottom plan view thereof; FIG. 8 is a cross-sectional view taken along line 8 - 8 in FIG. 2 ; and, FIG. 9 is another perspective view thereof showing a lower access of the portable cooler in an open configuration. The evenly dashed broken lines in the figures illustrate portions of the portable cooler that form no part of the claimed design. The bracketed portions shown in the figures show a symbolic break in the length of the portable cooler and form no part of the claimed design. The appearance of any portions of the portable cooler between the symbolic break lines form no part of the claimed design.