This Spinner Underseater boasts the modern convenience of a USB port and the mobility of spinner wheels to move across all surfaces with ease! Used once, looks absolutely NEW!! Fits under most airline seats Four, multi-directional spinner wheels for easy mobility Integrated charging port allows for easy access to personal portable chargers (must have your own battery, batteries not included) Interior mesh organization pockets, laptop and tablet sleeve Exterior zippered pocket with organizational panel for quick stash and organization for smaller items Additional exterior pocket for quick stash items Sleeve on back allows bag to be placed over handle of most upright luggage pieces!