Sturdy Construction --- This shopping cart is made of high-quality aluminum alloy and plastic. The shelf is made of thickened PP plastic for extra support and stability. It is very suitable for shopping, garden, catering, warehouse, library, office, etc. Heavy Duty Wheels --- The shopping cart is equipped with four rugged wheels for maximum stability. Two of the wheels are engineered with 360-degree swivel functionality, you can flexibly move the cart in any direction you need. Support Rod Design --- The bottom layer of the cart has two support rods. You can open and fix support rods before placing the item to increase the stability of the upper layer. Comes with a crate --- The shopping cart comes with a collapsible storage crate. The crate is made of high-quality PP material and has a strong structure, so it is not easily deformed when used. The securing strap on the cart can fasten the storage crate on the upper shelf. Easy to Fold and Unfold --- The cart folded size is: 28.8"x21.8"x4.2". Just press a button and you can easily open or fold the cart. When not in use, the Utility Cart can be fully folded up flat and placed in a car, storage room, warehouse, etc. The whole frame of APOXCON two tier collapsible cart is durable and sturdy. High quality materials make the cart rust resistant, corrosion-resistant, scratch resistant, and not easily deformed. The cart has two shelves and the upper shelf can be pulled up, allowing the cart to hold larger items. The simple foot brake allows the cart to stop anywhere at any time. Bearing Capacity Total capacity: 200 lbs (using supporting pole) 155 lbs (without using supporting pole) Top shelf capacity: 90 lbs (using supporting pole) 45 lbs (without using supporting pole) Bottom shelf capacity: 110 lbs