A single-piece foldable cargo area liner includes a floor portion, a front wall portion foldably connected to the floor portion, and a first sidewall portion foldably connected to the floor portion. A first foldable intersection portion has a first section and a second section foldably connected to the first section. The first section is foldably connected to the first sidewall portion, and the second section is also foldably connected to the front wall portion. The first foldable intersection portion is structured to facilitate folding of the first and second sections with respect to each other so as to form a first flap extending between the front wall portion and the first sidewall portion. The first flap is structured to be rotatable to enable contact between the first flap and any of the front wall portion and the first sidewall portion.