Why choose this folding durable utility cart? 1 Convenient tool to transport items on the go. The fashion appearance let you can use it in any occasion without out of style. 2 Unique 10 wheels design-2 front double 360°rotate noiseless wheels with brake and 2 rear triple climber wheels, easy to push or pull or change direction . 3 Aluminum alloy telescoping handle allow it to be used in a comfortable way for different height people, more convenient. 4 With lid, it can be used as seat or step stool if needed, just remember pressing the brake button in front wheels to stop the trolley from sliding away. 5 Perfect rolling utility cart crate with 10 wheels for teachers or students to carrying books, files, or as storage container. Specification · Material: polypropylene case, aluminum alloy handle, rubber wheels · Fold Box Dimension: 15.75×15×3.35inch (40×38×8.5cm) · Unfold Box Dimension: 15.75×15×14.17inch (40×38×36cm) · 3 Adjustable Handle Height: 20 inch(51cm), 31 inch(78cm), 41 inch(105cm) · Climber Wheels and Rotate Wheels (2 front Wheels have brake button) · Wheel Diameter: 2.17inch(5.5cm) Package List 1 Folding Utility Cart Note 1 Before using it, please assemble the wheels first, put the wheel correctly into the hole of the bottom of the dolly, you will hear a click sound if you finished, remember installing the wheels with brake button as front wheels. 2 When unfolding it, please remove the lid from the front, loosen the side fastening buckles to unfold the case, put down the bottom panel and slide the side sliding lock to the middle to turn the cart into a stable box shape. 3 Please do not forget to put the bottom panel back and slide the side sliding lock into their original place if you need to fold it. 4 Please do not transport overweight item to ensure a long use.