This stair climbing cart features a reinforced integrated steel frame for sturdy and long-lasting use. It offers dual-mode load capacity, supporting up to 260 lbs on flat ground and 120 lbs when climbing stairs, ideal for both household and commercial use. The handle is adjustable to two heights for effortless pulling without bending over. Equipped with a thickened aluminum alloy base and upgraded 4.72-inch premium rubber wheels, it is anti-slip, wear-resistant and shock-absorbing, ensuring smooth movement on various terrains. Lightweight and foldable, it saves much space for easy storage in car trunks, under beds, closets or garages, making it a practical helper for heavy lifting and stair transport.