SIZED CABIN BAG - The size of the cabin backpack is 40x20x25 cm, Capacity: 20 L.PLENTY OF SPACE AND LOTS OF COMPARTMENTS - 20 L hand luggage seems small , but they surprisingly contain more than you think. Spacious main compartment with a suitcase-style opening, can meet the needs of 3-4 days short trips. 1 x separate padded pocket for 14 inch laptop or tablet; Side pockets to hold water bottles, a rear security pocket for your wallet and passport.PERFECT SIZE FITS UNDER THE SEAT AND APPROVED BY MOST FLIGHTS - the size and the design of this backpack are perfect for air travel. It opens 180 like a suitcase to quickly get through airport security.SEPARATE LAPTOP COMPARTMENT 14 INCH AND USB CHARGING PORT DESIGN - This travel backpack with 14 inch laptop compartment and iPad compartment. This backpack has a USB charging port, which can be connected to your own power bank inside the bag, and a mobile phone connected outside the bag via a data cable, allowing you to charge your cell phone while walking.CART SLEEVE, ANTI-THEFT BACK POCKET AND SIDE COMPRESSION STRAPS - The cart sleeve slides over the rolling luggage handle to free your shoulders and make your trip easier; A rear security pocket with zipper for your wallet and passport; Compression straps on both sides are handy for tightening the bag when it's not fully filled, keeping it compact and streamlined. Serve as a travel bag, hand luggage, cabin bag.