FIG. 1 is a top, front, and left side perspective view showing my new design for a food storage container base;

FIG. 2 is a front view of the food storage container base shown in FIG. 1, the rear view being a mirror image thereof;

FIG. 3 is a left side view of the food storage container base shown in FIG. 1, the right side view being a mirror image thereof;

FIG. 4 is top view of the food storage container base shown in FIG. 1;

FIG. 5 is a bottom view of the food storage container base shown in FIG. 1;

FIG. 6 is a perspective exploded view of the food storage container base shown in FIG. 1 with an exemplary lid;

FIG. 7 is a top, front, and left side perspective view showing an alternate embodiment of my new design for a food storage container base of a different size;

FIG. 8 is front view of the food storage container base shown in FIG. 7, the rear view being a mirror image thereof;

FIG. 9 is a left side view of the food storage container base shown in FIG. 7, the right side view being a mirror image thereof;

FIG. 10 is a top view of the food storage container base shown in FIG. 7;

FIG. 11 is a bottom view of the food storage container base shown in FIG. 7;

FIG. 12 a perspective exploded view of the food storage container base shown in FIG. 7 with an exemplary lid;

FIG. 13 is a top, front, and left side perspective view showing another alternate embodiment of my new design for a food storage container base of a different size;

FIG. 14 is front view of the food storage container base shown in FIG. 13, the rear view being a mirror image thereof;

FIG. 15 is a left side view of the food storage container base shown in FIG. 13, the right side view being a mirror image thereof;

FIG. 16 is top view of the food storage container base shown in FIG. 13;

FIG. 17 is a bottom view of the food storage container base, as shown in FIG. 13; and,

FIG. 18 a perspective exploded view of the food storage container base shown in FIG. 13 with an exemplary lid.

The subject matter shown in dashed lines is for illustrative purposes only and forms no part of the claimed design.