Women。?Flight Approved Carry on Backpack: Travel backpack size: 47*31*20CM/18.5*12.2*7.9”. This carry on backpack with 180-degree zipper closure helps you quickly pass through security and meets airline carry-on baggage requirements. It can be used as a personal item travel bag and weekend bag, can be placed under the seat or in the overhead compartment, eliminating extra baggage fees, and is the perfect personal item for air travel. ?Convenient Usb Port: This laptop backpack has a built-in USB port on the outside and a built-in charging cable on the inside, which connects to your cell phone outside the bag through the data cable, allowing you to charge your phone/ipad more conveniently while walking and reducing the burden on your hands. Please note: The backpack does not come with a power supply itself, nor does it include a power bank or data cable, the USB charging port only provides convenient charging access. ?Separate Shoes Compartment And Wet Pocket: This backpack is equipped with an independent shoe compartment for a pair of flip-flops or sneakers, allowing you to switch freely between different states of traveling, business trips and outdoor sports; the moisture-proof pocket is made of high-density waterproof material, which can be used to store swimsuits, dirty clothes, wet towels and other items to make your stay in hotels or apartments more convenient.