【Easy to Install and use】This stair trolley includes clear and concise instructions, you only need to install the wheels, pull up the handle, and step on the headboard to use it. 【Foldable Pulley Trolley】You can fold it up in seconds and put it in the trunk or storage room, which does not take up space and is easy to carry. 【Excellent Load-Bearing Capacity】This stair climbing trolley is made of stainless steel and can bear 440 pounds on the flat surface and 330 pounds on the stairs. 【Retractable Handle】The handle of the trolley can be retracted to 43 inches, which is convenient for people to carry goods. 【Wide Range of Uses】This stair climbing trolley is very suitable for use at home, office, company, travel or shopping, it can easily pass stairs and various terrains.