Even under its 400 lb. maximum payload, the Large Universal Mail Cart easily maneuvers around tight corners and through narrow aisles. The comfortable, full-width handles give you complete handling control. Quickly, easily convert the Universal Mail Cart to a flat-top or a box-top cart with one hand. No tools needed. Hinged side gates on both shelves flip up or down for different cart configurations. I-beam post makes loading and unloading oversized boxes on the lower shelf easy. Deep mug holder compartment. Smooth, rounded corners and edges. Each shelf holds a hefty 200 pounds. Dent-resistant, rust-proof panels never need paint. Grey, high density polyethylene structural foam. Dimensions: 45"W x 24"D x 34-3/4"H. Toe-touch, durable, non-marking, locking swivel 5" wheels.