The Magnetic Cup Caddy from Master Magnetics is ideal as a convenient beverage holder on a toolbox or file cabinet. Holds an insulated mug, hot or cold container, aluminum can or fountain cup. Also useful for keeping cans, spray paint, lubricants, small tools and more within easy reach. The Magnetic Cup Caddy is 4.625” x 3.5” and holds containers up to 3.25” around. Available in red or black.