COOLIFE Luggage able to give you a sense of accomplishment when traveling. 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? 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. New Design Perfect streamlined design, and adopts a variety of internationally latest patented technologies Quiet dual airplane spinner wheels wheel design allowing for 360-degree rotation for the light effortless maneuvering ABS+PC material ABS+PC material, durable and lighter hard shell Tested handle The handle is test for standard which made your luggage more sturdy S size(carry on) Overall dimension: L15.2in* W8.9in* H22in Weight:20in 6.3lbs Capacity: 20in 38L Color: as the picture shows Travel days: 20in 1~4days M size Overall dimension: L17.8in* W9.9in* H26.1in Weight:24in 7.7lbs Capacity: 24in 60L Color: as the picture shows Travel days: 24in 4~7days L size Overall dimension: L 20.1 x 11.8(13in when it is explandable)x 29.9 Weight:28n 10.6lbs Capacity: 28in 90L Color: as the picture shows Travel days: 28in 7~9days