Abstract: The invention relates to a precut blank (1) consisting of a foldable material such as corrugated cardboard, paperboard or carton for producing automatically erectable packaging, in particular, a tray. The precut blank has a bottom (3) and hinged to it, two lateral panels (4), a rear panel (6) and a front panel (5), as well as two connecting flaps (7, 8) hinged to the front panel (5) and two hinged to the rear panel (6). According to the invention, an unstressed elastic element (15) is fastened at the connecting flaps (7) that are hinged to the front panel. Further, the invention relates to packaging erected from the precut blank (1).