Adjustable Handle Ergonomic 3-level telescoping handle provides easy maneuverability and smooth ups and downs, helps you find the most comfortable position of the suitcase. TSA Compatible Combination Lock The combination lock is TSA Approved allowing the US Transport Security Association to inspect your luggage without having to damage your locking mechanism. 360 Spinner Wheels This lightweight line offers heavyweight protection riding on effortless 360 degree Spinner Wheels. Luggage glides silently with 4 multi-directional spinner wheels, easy mobility, redesigned lightweight. Read more HOW DO I RESET THE COMBINATION LOCK The lock is set to 0-0-0 at the factory. Locate the reset hole on either side of the lock. Use something pointed to press it firmly. While you keep it pressed down, enter your new code by rotating the dials. Release the rest hole and your code is now set. Scramble the dials and test your new code to be sure the correct one is set. Read more Small Size 20-Inch: 19.7" x 15" x 8.7" Weight 5.7 LBS Handle Height 19.7'' Travel days: 1~5 days Middle Size 24-Inch: 23.6" x 17.7" x 10" Weight 7.4 LBS Handle Height 15.4'' Travel days: 5~7 days Large Size 28-Inch: 27.6" x 20" x 11.4" Weight 9.3 LBS Handle Height 11.8'' Travel days: 7~10 days Read more