This two-shelf utility cart is constructed to carry hefty loads while lasting for years to come. Each shelf is made from durable thermoplastic resin that won't scratch stain dent or rust and can hold a maximum weight of 500 lbs. Four 5" heavy-duty casters two stationary and two full-swivel with locking brake help the cart smoothly roll across hard floors rugs cement and other surfaces and two locking brakes make it easy to secure the cart in place.