Dimension: the backpack size is 40*31*14 cm/15.7*12.2*5.5 inches. Size for manual measurement, there is a 1-3 cm error is normal, the actual please refer to the received object shall prevail. MULTIPLE POCKETS: This backpack for traveling on airplane has 1*back anti-theft zipper pocket that can hold valuable items; 2*Side pockets for foldable umbrellas or water bottles; 1 *large pocket specifically designed for storing 15.6-inch laptops; 1*Front zipper pocket for storing small items; 1*Front pocket with unfolded structure, with two small compartments and a hidden zipper pocket inside; A special large capacity main pocket. EXCELLENT DESIGN: This carry on bags can combine two handles into one through buttons, improving the convenience of carrying; All zippers are made of alloy materials, with a delicate appearance and are not easily oxidized; The back of the backpack is designed with a fixing strap, which can fix the backpack on the lever of the luggage suitcase; The two side pockets have a rubber band stretching structure that can secure the water bottle. VERSATILITY：This women travel essentials backpack has a very large capacity and is suitable for using as a travel backpack; It can also be used as a laptop backpack and can accommodate 15.6-inch laptops; Can be used as a backpack for college freshmen or teacher work, and this backpack is an excellent gift for freshmen who just enter college. COMFORTABLE AND DURABLE: This large waterproof backpack with laptop compartment is mainly made of water resistance nylon fabric, which has water resistance function and is sturdy and durable. The back shoulder strap has a built-in foam pad, which is comfortable and soft, making your shoulders more relaxed. The backpack handle is wrapped in high-quality synthetic leather, providing an excellent portable experience. SPECIAL MAIN POCKET DESIGN:The main pocket of this travel laptop backpack for women adopts a special structural design similar to a suitcase, which can be fully unfolded to accommodate more luggage. At the same time, it is also designed with a luggage fixing strap and 2 * mesh compartments, which can reasonably store luggage, you can use it as a small suitcase. › See more product details