A foldable tray with stable side walls and tapered walls for convenient stacking is provided. The tray may include two outward tapered walls and two straight walls. The side walls are reinforced or stabilized by providing an interlocking end flap tab inserted through a cut line in the side wall. The tray may also include a hinged lid to form a hinged box. The lid may include an inwardly tapering wall to accommodate and overlay one of the outwardly tapering walls of the tray.

A foldable box having a first, substantially flat and unfolded configuration which can be easily and conveniently transformed into a second, three-dimensional configuration capable of retaining one or more items.

A foldable food storage container includes a main storage area and a cover and is able to convert from a folded state to an expanded state and vice versa. The main storage area includes a bottom panel, a front panel, a rear panel, a left panel, a right panel, and multiple fold lines. The main storage area is able to store, transport, and serve food. The cover includes one or more flaps and a fastener, which is able to selectively secure the cover to the food storage area when the container is in an expanded state.

A tray including first and second compartment portions each having a bottom panel, a first side panel foldably connected to a first side edge of the bottom panel, a second side panel foldably connected to a second side edge of the bottom panel, a front panel foldably connected to a front edge of the bottom panel and a rear panel foldably connected to a rear edge of the bottom panel, wherein a side edge of the front panel and a front edge of the second side panel are connected to one another by a front bi-fold corner web panel and a side edge of the rear panel and a rear edge of the second side panel are connected to one another by a rear bi-fold corner web panel.

A collapsible box-like container or carton may be formed from a unitary foldable blank divided by fold lines into a bottom panel, a pair of side panels, a pair of end panels and corner sections. Each corner section may include triangular corner or pleat panels divided by a diagonal or oblique fold line. The triangular corner or pleat panels may be folded in intimate face-to-face contact on the outer surface of the adjacent end panels. Some of the triangular corner or pleat panels may be adhesively secured to the outer surface the adjacent end panel.