Abstract: A collapsible container assembly (10) including a base (12) having a plurality of sides (14), a pair of side walls (16,18) and a pair of end walls (20,22) with each wall adapted to be extended vertically upward from a side (14) of the base (12) to define an interior portion (24) of the container (10), interlocking flanges (66,78) on adjacent side and end walls (16,18,20,22) for providing interlocking engagement when the walls are in the upright position and preventing relative movement therebetween, a wall hinge (26) interconnecting each of the side and end walls (16,18,20,22) to the base (12) and moveably supporting the walls as the walls are moved between a collapsed position to an upright position with the walls (16,18,20,22) specifically configured to nest efficiently while in the collapsed position and being able to support a load as other containers (10) are stackedd thereon, wall latches (90) for releasably latching adjacent side and end walls (16,18,20,22) together when the side and end walls are in t