a molded plastic utility cart includes a one - piece hollow molded frame filled with a foamed plastic material , the frame being generally i - shaped in configuration and including an upstanding wall with a generally horizontal base at its lower end and a generally horizontal top at its upper end defining an open - top receptacle . a plastic cover is slidably mounted on the top for movement between a closed position covering the receptacle and an open position extending laterally from the top and uncovering the receptacle . the cover itself defines additional receptacle compartments . accessory article supports may be mounted on any of the upstanding wall portion , the base or the top , and may be in the nature of additional receptacles , tool hangers or the like . a plurality of caster wheels are mounted on the underside of the base and handles are provided at both ends of the top .