A box is made by folding a sheet of material. Preferably, the box is formed by applying adhesive and folding using a machine, and a waterproof or water-resistant coating is applied to the sheet of material so that the box is configured for use as a cooler. The box includes: a storage portion, including a bottom panel, first and second end panels, and first and second side panels; four corner panels; and first and second top panels. The top panels include openings that register when the box is assembled and in a closed configuration to define an opening to be used as a handhold for gripping the box. Reinforcing panels of one of the top panels includes flaps located on an interior of the box that cover the handhold opening. The box further preferably includes a locking tab and locking panel for latching closed the top panels of the box.

A container having a bottom with a plurality of edges and a plurality of side walls extending from the bottom such that a number of the plurality of side walls is greater than a number of the plurality of edges.

Unitary blank for forming a container having a body portion with a plurality of fold lines and a cover portion. The body portion with a plurality of fold lines define a plurality of body wall portions, and each body wall portion has an upper edge. A first body wall portion includes a closure tab extending from the upper edge of the first body wall portion. The closure tab includes a closure tab flap portion and a closure tab base portion. The cover portion extends from the upper edge of a second body wall portion. The cover portion includes a cover portion flap score line extending along an upper edge of the cover portion and a release flap. A food container having a body portion and a cover portion is also provided.

A unitary blank having a body portion having an upper edge, a lower edge, a first outer edge and a second outer edge opposite the first outer edge, the body portion further having a plurality of fold lines to define a plurality of body wall portions. A handle portion extending from at least one of the first outer edge and the second outer edge. A first body wall portion including a first closure tab portion extending from the first body wall portion. A second body wall portion including a second closure tab portion extending from the second body wall portion, wherein the first closure tab portion is configured to be joined with the second closure tab portion to form a closure tab when the blank is formed into a container. A cover portion extending from the upper edge of the second body wall portion and configured to receive the closure tab.