Abstract: The present invention relates to an improved collapsible square case having a square open top and being particularly adapted for holding a plurality of items. The case includes a pair of opposed corner panels. Each of the corner panels has a flat side and a corner wall formed integral with one edge of the respective flat side being substantially perpendicular to the flat side. Each of said corner panels being an integral molded plastic panel. Said flat sides are parallel to each other. Said corner walls are parallel to each other. A pair of flat panels, each having one edge hingedly connected to a corner wall and the opposite edge connected to the edge of the flat side of the other corner panel. Each of the flat panels being an integral molded plastic part. A floor panel being an integral molded plastic part. Said floor panel being hingedly connected to the lower edge of a flat side of one of the corner panels.