6 Durable Dual Ball Bearing Wheels: This foldable hand truck dolly equipped with 6 dual ball bearing wheels, it make the luggage cart move stably and smoothly in different kind of roads. The bearing capacity is 500 lbs, wide range of applications. 3 Level Adjustable Handle: The handle of this fold up portable dolly has 3 different Adjustable height, you can press the top button to adjust handle height to meet your needs. Adjusting to a suitable height helps to save effort when transporting. The height can be adjusted from 90 degrees to 150 degrees. When you use hand truck, please make sure the pole is straightened at 90 degrees to ensure the stability of the handle. Adjustable Base Plate: The hand truck dolly is designed with adjustable broaden thicken base plate, you can extend the base plate to 21.25 inch for more space carrying goods. and the non-slip design on the plate can help make the goods ore stable when moving. The platform size is 16.45x12.32x4.73 Inch , and the expansion size is 21.25x12.32x37.79 Inch .Please confirm the size according to your requirements. Portable Multifunctional: This hand truck cart can be folded or unfolded in few seconds, you can take it anywhere or store it in your car or other narrow gap. Suitable for moving house, cargo handling, shopping, office daily use, business travel, airport station, luggage moving, warehouse carry, gardening, and so on. 2 Bungee Cords Included: This folding dolly cart comes with 2 pcs bungee cords, you can adjust the length freely. Using the bungee cords to help make the goods more stable when transporting, especially carrying large-size boxes and heavy stuff.