A tray comprises a base board portion, first to sixth side wall portions, and a first cupholder portion. The side wall portion extends vertically from the base board portion. Each of the two fifth side wall portions is extended from a side edge of the second side wall portion, bent vertically, and disposed so as to overlap and fixed with a part of the first or third side wall portion, forming first and second corners. Likewise, the two sixth side wall portions are provided. The first cupholder portion is disposed at the first corner between the first and second side wall portions, and comprises a horizontal cut-out over the second side wall portion and the fifth side wall portion, which is pushed inwards forming a cupholding space. The horizontal cut-out of the first cupholder portion is disposed through a middle high portion of the first corner.

A reusable foldable box is disclosed that has a first flat configuration and a second three dimensional configuration. The box consists of a first set and a set of panels that are assembled to form the foldable box. The first set of panels includes at least six panels that are foldably coupled in a predefined sequence. The first set includes a top panel, bottom panel, a pair of side panels, a lip panel and a securing panel. The first set of panels forms a single piece construction to which the side panels of the second set of panels are coupled with triangular inward connectors.

A tray comprises a base board portion, first to sixth side wall portions, and a first cupholder portion. The side wall portion extends vertically from the base board portion. Each of the two fifth side wall portions is extended from a side edge of the second side wall portion, bent vertically, and disposed so as to overlap and fixed with a part of the first or third side wall portion, forming first and second corners. Likewise, the two sixth side wall portions are provided. The first cupholder portion is disposed at the first corner between the first and second side wall portions, and comprises a horizontal cut-out over the second side wall portion and the fifth side wall portion, which is pushed inwards forming a cupholding space. The horizontal cut-out of the first cupholder portion is disposed through a middle high portion of the first corner.

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.