Abstract: A convertible cargo holding device positioned in the bed of a pick-up truck, the bed having a floor, a left side panel, a right side panel, and a front panel comprising in combination: a base gate; a secondary gate hinged upon the base gate; a removable rear base gate hinge attached to left side panel and rotatably attached to the base gate; a removable forward base gate hinge attached to the left side panel and rotatably attached to the base gate; a transverse base gate hinge attached to the right side panel and rotatably attached to the base gate, the transverse base gate hinge adapted to receive the removable forward base gate hinge; a removable support attached to the left side panel and to both the base gate and to the secondary gate. The elements of the cargo holding device can be rotated about its hinged elements to form a container, a low barrier and a high barrier for containing cargo within the bed.