LOVEVOOK Travel Backpack Carry on Flight Approved 40L 。?【LARGE AND MULTIFUNCTIONAL DESIGN】The daily clothes pocket can hold 4-6 pieces of thin tops or pants, which can meet the needs of short trips or business trips for 2-3 days; it can also be used to store college stationery such as books, and the separate laptop compartment can accommodate a maximum of 15.6” laptop for your work or study needs in companies and universities. ?【SEPARATE SHOES COMPARTMENT AND WET POCKET】 The shoes compartment can hold a pair of slippers or low-top sneakers, allowing you to switch freely in different states of travel, business trips and outdoor sports; the wet pocket is made of high-density waterproof material, which can be used with to store wet items, making your stay in a hotel or apartment more convenient. ?【USB PORT DESIGN】 This backpack has a USB charging port, which can be connected to a power bank inside the bag, and a cell phone connected to the outside of the bag through a data cable, allowing you to charge your cell phone or iPad while walking, reducing the burden on your hands and avoiding miss information. Please note that the backpack does not come with a power bank and data cable, it is only for the convenience of mobile phone charging.