Constructed from an engineered thermoplastic resin, injection molded, that will not chip, warp, crack, rust, or peel. 4” casters, two locking, max. weight rated at 125 lbs. each. Electrical Assembly - A 3-outlet UL approved electrical assembly with a 15 ft. cord, and cord management wrap. The WTOH30E is intended for seated use. WTOH30E has a convenient cutout on the bottom shelf. A 1⁄4” retaining lip. Shelves and legs are made from recyclable material. Includes three cable management clips.