A blank of sheet material for forming a container includes a plurality of side panels and a glue panel coupled together in series along a plurality of generally parallel fold lines. At least one of the generally parallel fold lines has an increased stiffness. The blank also includes a plurality of bottom panels. At least one of the bottom panels includes at least one bottom corner portion that extends adjacent to and beneath a free bottom edge of a corresponding one of the corner panels and the glue panel. The blank further includes a plurality of top panels. At least one of the top panels includes at least one top corner portion that extends adjacent to and above a free top edge of a corresponding one of the corner panels and the glue panel.