For offices, food industry, hospitals, humid environments, warehouses with cold temperatures, mobile treatment. Polypropylene panel: solid, doesn't rust, hygienic. Easy treatment with high pressure cleaner. Light and easy to handle. 4 rubber wheels: very silent and resistant: 2 fixed wheels at the front, 2 mobile wheelsat the back. Low resistance against starting. Skidproof: 5 rubber covers, striated on the big tray.Folding back with anti-pinch mechanism. Structure in painted steel.