Promate Mogul-TR 2-in-1 Trolley Laptop Bag – Up to 16″, Water-Resistant with Wheels & Hidden Backpack Straps2 in 1 design: trolley bag that converts into a backpack with hidden adjustable shoulder straps Supports laptops up to 16 with a fully padded compartment High volume storage with multiple large, secure compartments including document organizer Water resistant inner lining protects against splashes and unpredictable weather Durable base and in line wheels for smooth, effortless rolling Quick access side pockets for items like water bottles or umbrellas