Large-capacity multi-compartment travel cabin backpack • Multiple compartments for storing various items, including a dedicated 16" laptop/tablet compartment, and a hidden back pocket for frequently used items. This backpack opens flat 180 degrees for easy packing/unpacking. •Separate compartment for shoes and wet bag, the special compartment for a pair of shoes, allowing you to switch freely in different travel states. The wet bag is made of high-density waterproof material, which can be used to store wet items, making your stay in a hotel or apartment more comfortable. •Quick-access, waterproof external side pocket. •It has a USB cable in the main compartment to which you can connect your powerbank. The output is another USB port located on the outside. You can easily charge your phone, tablet and other devices without having to open the backpack. •Comfortable airflow design, multi-panel ventilated and soft padding provides back support. Breathable and adjustable shoulder straps to relieve shoulder pressure. This backpack can be adapted to the trolley of the suitcase to make travelling easier. Approximate capacity: 45L Polyester, nylon.