The carry-on has been tested to fit in the wheelie bins of most major domestic airlines while allowing for more packing capacity. The PrecisionGlide system provides precise control and effortless rolling with a Contour Grip, PowerScope Lite grip, and self-aligning magnetic MagnaTrac wheels. The carry-on case features external USB-A and C ports with quick charge features that allow you to power your electronics on the go. The external battery pocket (patent pending) is hidden in the expansion function for easy access and FAA compliance (power bank not included). Patent pending exterior pocket design provides quick access to essentials and convenient padded protection for most 15.6" laptops. This tote bag has an ultra-strong 100% polycarbonate hard shell with aluminum corner guards to protect contents and has a stylish, textured finish that helps reduce visibility from scuffs or scratches. Genuine leather trim on the front of the hard case adds sophisticated style. The 21 inch carry-on luggage features an integrated lock that allows TSA authorities to safely and securely unlock and lock when needed. The default lock code is set to 0-0-0. Interior zippered compartments keep contents organized, separated and secured. Water resistant inner pocket offers versatility for damp items or toiletries. Hand luggage with spinner wheels. Applies to new purchase and after registration.