A blank, or tray, comprising of bottom panel having side walls foldably connected to opposite sides thereof via a pair of substantially parallel side fold lines, end wall forming panels, each of the end wall forming panels being defined in the bottom panel and side walls by a line of weakness extending across said bottom wall and part way into each of said side walls, a first pair of fold line extending one from each end of said line of weakness toward a junction formed with a projection of the adjacent said side fold line and a second pair of fold lines extending one from said line of weakness toward each of said junctions to form in each of said end wall forming panels an end wall and a pair of connecting side walls said first and second pairs of fold lines each being symmetrically positioned on opposite sides of the longitudinal center line of the blank a reinforcing panel connected to each of said side walls one of said reinforcing panels having a flap foldably connected to its free edge and the other of said reinforcing panels having a bottom wall foldably connected to its free edge, the foldable connections between the side walls and said side reinforcing panels and between said one side reinforcing panel and said side flap and said other side reinforcing panel and said bottom wall being substantially parallel to said pair of fold lines connecting said side walls to said bottom panel.