FIG. 1 is a front, elevational view of a tote shell, with the opposite view being identical in appearance; FIG. 2 is a bottom view of the tote shell of FIG. 1; and, FIG. 3 is a side view of the tote shell of FIG. 1, with the opposite view being a mirror image. The elements delineated in dashed lines form no part of the claimed design of the tote shell.