The right cart can help staff be more efficient. The Rubbermaid® Commercial Products Janitor Cart in black is loaded with features. It has 5 cubic feet of storage space, a front shelf to hold a mop bucket, plenty of room for tools and accessories, rubber mop holders, removeable 10-quart 6-bottle caddies, safety sign holders, and more. It moves easily on two 4-inch front casters and two 8-inch back wheel