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 2-heights for effortless pulling without bending over. Equipped with a thickened aluminum alloy base and upgraded 4.72 in. 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.