With its unique three-wheel design, the cart can easily cross sidewalk steps, stairs and any uneven surface. And the operation is simple, a few seconds can be pulled to drag the cargo. When there are no steps, you can also use the two wheels on both sides to walk normally. This design can greatly reduce the force of the load, up to 75 kg can be pushed. When not in use, it can be folded flat in seconds, and when folded the wheel can even be completely flat for easy storage.