Reusable pop-up container and associated container blank

A blank for a container comprising:

• a single sheet of foldable material cut and scored to define a bottom panel;
• a pair of opposed first side panels connected with the bottom panel along a pair of first fold lines, the pair of first fold lines being substantially parallel and separated by the bottom panel;
• a pair of opposed second side panels, connected with the bottom panel along a second fold line and a third fold line, the second fold line and the third fold line being substantially parallel to one another and separated by the bottom panel;
• a substantially centrally located score line extending through the bottom panel and opposed second side panels;
• a plurality of relief score lines formed in the each of the pair of opposed second side panels, the plurality of relief score lines radiating from a respective corner of the pair of opposed second side panels and running to substantially the center of the respective pair of opposed second side panels,
• wherein each of the plurality of relief score lines are at a different angle relative to the second fold line;
• a cut-out formed in each of the opposed second side panels, each of the cut-outs being in contact with the relief score lines and being spaced from the periphery of the respective second end panel;
• each of the second side panels having a pair of opposed side edges, each of the second side panel side edges having a first corner panel attached thereto, the attachment forming a first side edge of each first corner panel;
• each of the first corner panels having a second side edge opposite its side edge, a second corner panel attached to each of the first corner panels along the second side edge;
• and
• the bottom edge of each of the first and second corner panels being defined by a cut line between the corner panels and the first side panels.