<b>Coolife Luggage able to give you a sense of accomplishment when traveling. </b></br> Many travelers used to too many leather and canvas suitcases. At least 80% of the suitcases are cumbersome and boring. The old ones will be ridiculous and uninteresting, making the whole journey dim. What we want to offer our customers is more than a solid case, but the customer's own style and cool life. Ready to travel with your cool life? </br> </br> The material use for Coolife Luggage is the ABS+PC material which very strong with lightweight. Wheel is a high-quality universal wheel and can turn with all direction.The internal three-stage adjustment section can better adapt to different heights of the crowd. Resistance to pressure, anti-fall, and solid is professional habits to check in and travel long distances. </br></br> Three different size: Size: </br> 20inch (22 x 8.9 x 15.2in) </br> 24inch (17.8 x 9.9 x 26.1in) </br> 28inch (20.1 x 11.8(13in when it is explandable)x 29.9in) </br> 20inch and 24inch luggage is perfect for business and personal travel, 28in is expandable add 15% to the scalable space.