Abstract: A decorative tray or tray cover is formed from a scored paperboard blank having main, side and end panels and base flaps arranged for simultaneous manipulation with an unscored paper blank having a decorative outer surface and being disposed in coincidence with the paperboard blank and with its inner surface in face contacting relation therewith to provide tray or tray cover which is attractive in appearance and which requires no adhesive of any kind.

Abstract: Corner structure for an open tray or tray cover is formed from a unitary blank comprising a rectangular main panel, a first pair of outer side panels foldably joined to a first pair of opposite side edges of the main panel, a first pair of inner side panels foldably joined respectively to the edges of the first pair of outer side panels which are remote from the main panel, a first pair of base flaps foldably joined respectively to the edges of the first pair of inner side panels which are remote from the first pair of outer side panels, a second pair of outer side panels foldably joined respectively to a second pair of opposite side edges of the main panel, a pair of inner side panels foldably joined respectively to the edges of the second pair of outer side panels which are remote from the main panel, a second pair of base flaps foldably joined respectively to the edges of the second pair of inner side panels which are remote from the second pair of outer side panels, a collapsible web at each corner of the