CARRY-ON/CHECKED LUGGAGE20 inch,24 inch,28 inch, can be stored one into another.The carry-on size dimensions will meet most airline approved.Superior quality, silent-running, multi-directional silent spinner wheels assure smooth maneuverability and bring comfort to your journey. The ABS material company with the reinforced metal corner, making the entire suitcase more durable, which can be eligible for any situation that needs to be facing long-distance travel. Large storage space and fully lined interior with zippered compartment to organize your belongings. The 3-digit combination lock always protects your trip security. Protective anti-aging feature of built-in UV-radiation protection for long-lasting usage for years to come. 3-Digit TSA combination lock helps keep your possessions safe and secure. The handle of this luggage can be adjusted according to your height and is ergonomically designed to be easily raised and lowered.ATTENTION: [Sell in single on this page, not sets]Extra Details: 100% ABS material, lightweight and durable 4 Quiet Spinner Wheels TSA Combination Lock Organized Interior Mesh Zip Pocket Tie-down Straps.HOW DO I RESET THE COMBINATION LOCK1. The lock is set to 0-0-0 at the factory.2. Locate the reset button adjacent to the dials, push it and hold while you rotate the dials to your desired 3-digit code.3. Release the reset button and your code is now set.4. Scramble the dials and test your new code to be sure the correct one is set.ABS Hard Shell: The material has excellent wear resistance and impact resistance, and is lightweight. Durable luggage can withstand transportation and keep your belongings safe. Lightweight luggage makes traveling effortless and enjoyable.Carry-on Luggage: size: 13.8*8.3*21.5". The 2 -inch size complies with airline standards and is ideal for short trips and business trips. The top of the suitcase is equipped with a TPE reinforced handle for easy carrying.TSA Approved Lock: Each travel luggage comes with 3-dial TSA approved combination lock to better protects your property and facilitate customs clearance.Telescopic Handle: 3-level adjustable handle to meet the needs of users of different heights.Metal Corner Protectors: Reduce wear and tear on the suitcase caused by collisions and prolong the service life of the suitcase.