LARGE CABIN BAG - The cabin backpack's size is 40x20x25 cm, Capacity: 20 L. AMPLE SPACE AND MANY COMPARTMENTS - The 20L hand luggage looks small, but it surprisingly holds much more than you think. Spacious main compartment with a suitcase-style opening, can meet the needs for 3-4 day short trips. 1 x separate padded compartment for a 14-inch laptop or tablet; Side pockets for holding water bottles, a security pocket on the back for your wallet and passport. PERFECT SIZE FITS UNDER THE SEAT AND APPROVED BY MOST AIRLINES - the size and design of this backpack are perfect for air travel. It opens 180° like a suitcase to quickly pass through airport security. SEPARATE 14-INCH LAPTOP COMPARTMENT & USB CHARGING PORT DESIGN - This travel backpack with a 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 to the outside of the bag via a data cable, allowing you to charge your mobile phone while walking. TROLLEY SLEEVE, ANTI-THEFT BACK POCKET & SIDE COMPRESSION STRAP - The trolley sleeve slides over the rolling luggage handle to free your shoulders and make your journey easier; A security pocket on the back with a zipper for your wallet and passport; Compression straps on both sides are practical for tightening the bag when it's not fully packed, keeping it compact and streamlined. Functions as a travel bag, hand luggage, cabin bag.