This carry-on travel backpack features dual carry zones. The upper brain pocket provides organization for pens, glasses, and small travel essentials. While the main compartment has large zip access for easy packing when upright or lying down. Travel optimized features include a 16 padded laptop sleeve with document slip and an RFID protected passport pocket. The handy horizontal luggage pass through lets you access the entire bag as you roll through transit. A hidden pocket contains a removable 15L tote bag which can be attached to the outside of the backpack. While the zippered drink-bottle pocket is fully enclosed and overhead-locker ready. Measures 21.7 inches x 13.8 inches x 6.3 inches / 550mm x 350mm x 160mm. Internal capacity is 26L.