CONVERTIBLE ROLLING BACKPACK : - The 2 in 1 wheeled backpack can be used as both a roller backpack and a carry-on backpack. The breathable and adjustable shoulder straps of this laptop trolley backpack can be tucked into the zipper pocket on the back, and the backpack will not drag when rolling. It provides comfort and casual style for daily use anywhere, perfect for vacation, travel, weekends, occasional trips, business trips. VERSATILE ORGANIZATION : - This rolling backpack built-in separate laptop pocket can accommodate laptops up to 15.6". This rolling backpack for adults with wheels has a roomy main compartment that can hold clothing for a 3-5 day trip, a center organization compartment with plenty of pockets for easy access to personal items, and carry on luggage with exterior two sides mesh pockets and a small zipper pocket for easy organization. TRAVEL FRIENDLY CARRY ON LUGGAGE : - 16 inch rolling underseat bag is designed for effortless travel. Convenient back luggage pass-through strap to secure the bag to most upright luggage handle, meets most airline carry-on size requirements, and is the perfect size to fit under a seat or in an overhead bin. This easy-to-carry, flexible travel rolling backpack is a great choice for international business travelers. DURABLE AND PROTECTIVE DESIGN : - The bottom and sides are covered with waterproof coated polyester to prevent damage caused by collision and scratches. Wheeled backpack for adults well Made of heavy-duty water resistant fabric with metal zippers; the metal swivel hook can be adjusted at any time to prevent the shoulder strap from turning; Every compartment has lockable zippers that greatly secure your valuable items . BREATHABLE AND COMFORTABLE : - With smooth rub wheels,the rolling laptop backpack provides an easier way to carry your stuffs. The ergonomic high-grade aluminum tube handle is adjustable to multiple heights. The wheeled travel backpack is equipped with a padded breathable mesh back panel, providing you with maximum back support.