A collapsible display unit includes a first tab protruding from a free edge of a first widthwise sidewall that is insertable into a slot in a base panel. A second tab protrudes from a free edge of an opposing second widthwise sidewall that is insertable into a slot in the base panel. A hinge in the base panel extends lengthwise between two free edges and through a center of the base panel. A hinge in the first widthwise sidewall extends between two free edges and through a center of the first widthwise sidewall. A hinge in the second widthwise sidewall extends between two free edges and through a center of the second widthwise sidewall. The first lengthwise sidewall has opposing end flaps that remain affixed to portions of the widthwise sidewalls for configuration between assembled and collapsed configurations.