This versatile wheeled trolley bag is really two briefs in one. The expandable main compartment features removable file dividers and a removable laptop sleeve which fits screens up to 17-inch. A built-in USB port keeps you connected wherever you are- consider this your office on the go. Power bank sold separately. Part of the Alpha 3 Collection, iconic business and travel pieces that bring together innovative design, superior performance, and best in class functionality. It is made from Tumi's patented, ultra-durable FXT ballistic nylon (materials for some items may vary).