💥Accessories Introduction: USB port with built-in charging cable Lightweight foot Expansion layer Common Accessories for All 2 Sizes: 3-stage telescopic handle Double 360° spinner wheels TSA-approved lock Top carry handle Explosion-proof zipper Internal divider compartments TSA COMBINATION LOCK 20-inch luggage combination lock Push the button (in the direction of the dial) to unlock the front opening and zipper compartment. 💥Instructions for Reset the 3 Digit Secure TSA Lock--20 inch 1) With the lock in the original combination 0-0-0. 2) Press down the reset button [A] with a pen or other tool until you hear a "click" sound. 3) Set your own combination by tumning the dials [B]. For example,8-8-8. 4) Push the button [C] in the direction of the arrow until you hear the"click"sound again,confirming that you have set your personal combination. 💥Instructions for Reset the 3 Digit Secure TSA Lock--24 inch 1. The initial password of lock is 0-0-0. 2.Press the reset hole with the tip of the pen. 3.Set the new 3-digit code while pressing. 4.Now you can open the lock with the new password. 💥20 Carry on Luggage: The 20-inch carry-on is ideal for short trips, built-in USB port and data cable for charging devices on the go (power supply not included). The front opening design allows you to carry computers, ipads and other items with easy access.