Panel and support structure for collapsible container, and collapsible container

A collapsible container comprising:

• a plurality of upper panels, and
• a bottom panel,
• each panel having a body defining a plurality of edges and an elongate tubular member along each of the edges of the body;
• each tubular member having at least one cut-away section to form an interlocking formation that is an alternating tenon and mortise formation, wherein each cut-away section comprises a residual portion of said tubular member, each mortise being shaped so that a tenon is received therein in an arrangement wherein the received tenon is not concentric with adjacent tenons, whereby an engagement member passing through the tenons has a secure or friction fit therein;
• the bottom panel having a plurality of reinforced downwardly protruding supports comprised of a plurality of panels for raising up the bottom panel and thereby the collapsible container;
• and
• at least one interlocking formation on the bottom panel engaging an interlocking formation on at least one upper pane.