Product Features: 1. "Nested Design": " This 3-piece luggage set includes a 20\" carry-on, 24\", and 28\" checked suitcase, all designed to nest within each other. Available in various colors to meet all your travel needs." 2. " Durable and Convenient": " Crafted from lightweight 100% ABS material, this set features smooth 360° spinner wheels, top and side handles, and a multi-stage telescopic handle for easy height adjustment, making travel a breeze." 3. " TSA-Approved Lock": " The TSA-approved lock ensures your luggage remains secure and prevents forced inspections during customs checks, protecting your privacy and belongings." 4. " Spacious Interior": " The interior includes a zippered divider and cross straps to keep your items organized and secure, ensuring everything stays in place throughout your journey." Description: HOW TO RESET THE TSA COMBINATION LOCK? The original number is 0-0-0,To set your own password,Please follow these steps: 1. Put the dials at its original numbers 0-0-0. 2. Use a pen or something pointed to pressPress down the reset button adjacent to the dials until hear the "click"sound. 3. Set your own password by turning the dials,for example 8-8-8. 4. Push the button towards to the direction of arrow ,The reset button will be back when you hear the "click" sound. Now you have finished setting your own password. Please remember your password by heart. Please repeat the above steps to reset the numbers. The suitcase can be locked with any combination. It can be open only with your combination. Please keep your combination safe - if you forget it, there is no way to open your lock!