Efficient Stair Design: Features a tri-wheel system with durable TPR & PP wheels for reliable grip and a smoother stair climbing experience. Lightweight, Foldable Storage: Easily collapses to a compact size for convenient storage in car trunks, closets, or storage rooms. Max Load Capacity: Supports up to 770 lbs, making it ideal for moving heavy items securely and safely. Secure, Durable Build: Constructed with a strong carbon-steel and aluminum alloy frame, ensuring long-lasting use and wear resistance. Stable Dual-Mode Hauling: Delivers steady stair action and strong flat-ground capacity, reducing tip-over risk during heavy hauling. Versatile for Many Scenes: Suitable for transporting a variety of items like household goods, parcels, and office supplies efficiently. #vevor #stairclimbingdolly #dolly #stairclimbingcart - @timjr1983