FIG. 1 is a top perspective view of a rectangular pail embodying my new design in a closed configuration; FIG. 2 is a front plan view thereof; FIG. 3 is a side plan view thereof; the right side being a mirror image thereof; FIG. 4 is a rear plan view thereof; FIG. 5 is a top plan view thereof; FIG. 6 is a bottom plan view thereof; and, FIG. 7 is a top perspective view thereof in an open configuration.