A packaging sheet for wrapping an article or object, providing structure around the article or object, or forming a box. The packaging sheet includes first, second, third, fourth, and fifth panels, the second panel being connected to the first panel, the third panel being connected to the first panel opposite the second panel, the fourth panel being connected to the second panel opposite the first panel, and the fifth panel being connected to the third panel opposite the first panel. The packaging sheet also includes first, second, third, and fourth flaps connected to the first, second, third and fourth panels, respectively. In some embodiments, a first edge is defined between the third and fifth panels so that the fifth panel is adjoined to the third panel along the first edge, and the fifth panel defines second and third edges along which no flaps are adjoined.