Metro's compact polymer utility cart features smooth surfaces for easy cleaning, and 4 swivel casters for maneuvering in tight corners. Lip on all four sides of shelves. Cart is available in 2-shelf or 3-shelf design. 5 colors to choose from including Gray, Blue, Berry, Black and Slate Blue. Slate Blue shelves contain Microban antimicrobial additive to protect the product from bacteria, mold, mildew, and fungus that cause staining and product degradation.