Specifications and dimensions: You will receive a trolley case. The case has two sizes,20 inches. Enough capacity: the internal capacity is large enough,which can be stored in different areas,enough for your daily business trip and travel Convenient storage and space saving: When you dont apply it,you can fold it down and put it in the corner to save space. Folding trolley case:This trolley case is made of excellent materials. It is soft,thin,flexible,light,resistant to falling,not deformed by extrusion,dust-proof,and not afraid of water. It is also made of thickened alloy rods,which are sturdy,durable,and not easily damaged. The box can be bent and supported,and can be quickly folded and stretched. You can choose it with confidence.