LARGE CAPACITY AND RFID POCKET: Carry On Travel Backpack have two main and a small pocket. The small pocket can hold mobile phones, lipstick, and is convenient to take at the top; The one main pocket with a 180 degree opening, which can store luggage, textbooks and documents; It can accommodate an iPad and laptop 15.6 inches; The other main has 6 small pockets, which can hold pens and wallets. Also have an anti-theft RFID pocket. Both side of the rolling backpack with water bottle holder WATERPROOF ROLLING BACKPACK AND WATERPROOF ZIPPER: Rolling backpack is made of high quality water resistant polyester fabric which means water resistant, and you can wipe the dirty stains easily with a wet cloth. It can hold up your belongings perfectly in heavy rain.Hidden chain, zippers are waterproof and high quality, durable and not easy to break. DUAL USAGES TROLLEY BAG & BACKPACK: You can put away the pull rod and used as a backpack, or the pull rod can be taken out and used as a rolling ba