We have perfected our hardcase luggage collections, with a 100% ABS material for its lightweight build that will take the heavy lifting out of your trip and make traveling a breeze. No matter the multi-directional wheels, or the ergonomically designed telescoping handles will add much convenience to your trip. The spacious main compartment and zippered pockets keep your travel essentials, your small valuables well organized. This carry on luggage sets with spinner wheels is perfect for any trip you may have! The 3 piece luggage sets include one 20 inch carry on luggage, 24 inch expandable luggage and 28 inch expandable suitcase.(Each luggage set is sold together and we do not sell suitcase separately） ALL YOUR LUGGAGE NEEDS IN ONE SET: The perfect luggage solution for individuals, groups and families plus the cases fit inside each-other for super-easy storage. Color:Black, Blue, Grey, Navy, Silver 3 Piece Suitcase Set Approx.Dimension(excluding wheels): Carry-On Luggage 20-Inch: 19.7" x 15" x 8.7" (Weight 5.7 LBS), Handle Height 19.7'', Travel days: 1~5 days Checked-Medium 24-Inch: 23.6" x 17.7" x 10" (Weight 7.4 LBS), Handle Height 15.4'', Travel days: 5~7 days Checked-Large 28-Inch: 27.6" x 20" x 11.4" (Weight 9.3 LBS), Handle Height 11.8'', Travel days: 7~10 days 【HOW DO I RESET THE 3-DIGIT COMBINATION TSA LOCK】 1. The lock is set to 0-0-0 at the factory. 2. Locate the reset hole on either side of the lock. Use a en or something pointed to press it firmly. 3. While you keep it pressed down, enter your new code by rotating the dials. 4. Release the rest hole and your code is now set. 5. Scramble the dials and test your new code to be sure the correct one is set. Professional services ●Luggage is rigorously tested to ensure that our products meet stringent standards. ●If you have any questions in the process of purchase or use, such as wh