Lightweight Sturdy Protectors: This hardside luggage is made of PC material, aluminum frame and corner protectors. It provides multiple sturdy protections against impacts and includes a luggage cover, ensuring your luggage stays intact during your travels! 2 Years warranty. Multi-functional Smart luggage: Built-in USB port for charging your computer or cell phone to stay charged while traveling. Folding cup holder and hook let you free your hands and avoid carrying extra items. One-touch Unlocking: Front compartment for quick access to your laptop. Side TSA locking mechanism, easy to open by pressing on both sides, more secure and durable. Recommended maximum laptop size is 15.6 inches.(When the front pocket is full, the main compartment space will be smaller） Airline Approved: 20 inch luggage measures 22.5"x15.5"x9.8"(including wheels and handles), Weight: 11.9 LB, Capacity: 33L. Carry on luggage airline approved and fit in the overhead cabin, perfect for short business trips and weekend getaways. Three TSA Lock & Silent Wheels: TSA-approved combination lock keeps your valuables safe while traveling. Features a 360° silent swivel wheel design that glides easily through airports and busy streets for a smooth travel experience. Larger Interior Space: Equipped with wide trolley bars to improve space utilization and add more storage space for you. Our 20 inch carry on suitcase features additional inner lining compartments, allowing you to neatly organize your items. This 20-inch carry-on suitcase combines style, durability, and convenience. It is made from lightweight, hardshell aluminum and features spinner wheels, a zipperless design with a TSA lock, and a USB charging port. The front pocket and built-in cup holder add easy access on the go, while its 22×14×9-inch dimensions meet airlineaccepted carry-on size requirements.