The most advanced general purpose carts on the market. Microban inhibits growth of bacteria, mold, and mildew that cause odors, stains, and product degradation. Each shelf rated for 150 lb. load, 400 lbs. maximum for the cart. 2-3/4" deep ledge shelf design keeps items from falling off the cart. Slate Blue color. FYI: Carts ship knocked down. NSF.