Insulated box assembly with overlapping panels

A box assembly comprising:

• an exterior piece comprising:
• a plurality of middle portions, and
• a plurality of upper portions each joined to a different middle portion of the plurality of middle portions, each upper portion comprising:
• a connecting segment joined to the respective middle portion, and
• an end segment joined to the respective connecting segment;
• an interior piece positioned within the exterior piece, the interior piece defining a cavity and comprising a plurality of side panels, each side panel of the plurality of side panels comprising a top interior portion, the plurality of side panels and the plurality of middle portions of the exterior piece defining a space therebetween, the connecting segment of each upper portion of the plurality of upper portions covering the space, each upper portion of the plurality of upper portions of the exterior piece covering the space and the top interior portions of the plurality of side panels;
• and
• a bottom panel joined to at least one side panel of the plurality of side panels;
• and
• wherein a first end segment of a first upper portion of the plurality of upper portions comprises:
• a middle tab covering a first side panel of the plurality of side panels, and
• a side tab joined to the middle tab, the side tab covering a second side panel of the plurality of side panels adjacent to the first side panel covered by the middle tab.