Container having stackable shelf assembly

An assembly comprising:

• a container having at least one bottom panel, and at least one side panel extending upwardly from said at least one bottom panel, to form an inner cavity;
• wherein the bottom panel has at least one vent hole;
• a blank having a substantially rectangular shape, the blank having flaps hingedly attached by fold lines to each corner of the blank and extending diagonally outwardly from each corner of the blank, wherein each of the flaps has a tab extending from an end;
• wherein the flaps are folded substantially perpendicular to a plane defined by a body of the blank, and wherein at least one of the tabs are placed into at least one vent hole in the bottom panel.