Abstract: A basket apparatus includes a base comprising of a supporting infrastructure holding and retaining items within the basket apparatus and a rim coupled to the base, wherein the rim forms a perimeter opening to the base of the basket apparatus. The base is adjustable in length in at least one direction and wherein the rim is adjustable in length in the at least one direction. The basket further includes a retention apparatus configured to lock the rim in place in the at least one direction. The basket further includes a first edge engagement piece and a second edge engagement piece located on opposite ends of the perimeter opening. The edge engagement pieces are orthogonal to the at least one direction. The edge engagement pieces are configured to engage opposite walls of a cooler and suspend a bottom of the base above a floor of the cooler.