This portable workstation trolley is constructed from 304# stainless steel with an ABS modular surface, making it easy to clean and resistant to corrosion. The aluminum alloy pillars and composite back/side boards are also corrosion and abrasion resistance, and provide a strong reliable core. All joints are carefully welded and the table surface has a 3-side stainless steel fence. This is a rugged cart! At the top of the car is a display holder that can securely mounts your monitor. The lower portion of the cabinet is made to hold the computer and store the battery. It is self locking for safety and handles are durable ABS. The 100mm - 4 castor wheels are made with noise resistant anti winding materials allowing for quiet operation of the unit. It ships standard with external power holder, battery set, plug board and display holder. Additional hooks and wire basket accessories are available.