Travel Laptop Backpack, Extra Large 25-40L Expandable Carry On Backpack for Women Men with USB Charging Port, Water Resistant Luggage Computer Backpacks Bag Fits 17.3 Inch Laptop and Notebook, Black

Expandable & Large Capacity: This large travel backpack with an expandable design gives you a greater capacity of up to 40L. Unzipping to get larger storage space, you can easily fit 3-5days travel gears. The carry on backpack meets the maximum size allowed by IATA flights, can be fitted overhead and under-seat, is ideal for a weekend trip, business trip.Before extended is 25L, dimensions are 12.2*6.3*17.7inch; after extended is 40L, dimensions are 12.2*9.8*17.7inch.
Functional Design: The usb backpack comes with a charging port you can link your phone to and easily charge during outdoors and travel.Place your power bank inside the bag and connect your phone to the outer port ( built-in charging cable inside ); Please note that this travel bag doesn’t power itself,usb charging port only provides easy access to charge. A luggage strap allows the travel backpack to securely slip over the handle of any rolling luggage for hands-free transport, easier carrying.
Shoe Compartment: One shoe compartment is crafted to bottom of backpack carry on to keep the shoes seperately and everything else clean. This shoe storage is wide enough to hold size 11 for both lady shoes and man shoes which can also be used as toiletries bags and for other uses. Colleges backpack is Good choice for mens womens. A great companion for commuting, business trip, hiking, travel, camping and other outdoor activities.