the invention is an adjustable container holder assembly that attaches to the sidewall of a pickup box above the fender well , for holding one or more liquid containers . the adjustable container holder assembly is best suited for square jugs with the opening and handle on the top , where such jugs are fabricated from plastic . the container holder assembly holds the containers above the bed of the box in an area that is of limited use due to obstruction by the fender wells . the placement of the container holder assembly adjacent to the sidewall provides easy access to the containers from outside the pickup box . the rack also protects the containers from damage by other implements that are often transported in the box bed of the pickup truck .