Abstract: A three-position stacking tray having a series of angled ribs on each side of the tray which comprise the tray's sidewalls. Each sidewall's ribs are all parallel one to the other, are of identical structure and size, and are all in a common vertical plane relative to the floor. The angled ribs of one sidewall are disposed in mirror relation with the angled ribs of the other sidewall as to orientation and position. Each rib of each sidewall's angled ribs, on the same side edges thereof and intermediate the top and bottom ends thereof, is provided with a notched middle seat adapted to cooperate with a top seat on an opposite sidewall rib's top end when the trays are reverse oriented. In the intermediate stack position, and with upper and lower trays reverse oriented, the top end seats of the lower tray's angled ribs engage the notched middle seats defined in the upper tray's angled ribs.