BANGE Weekender Carry-on Backpack,45L Expandable Travel Backpacks for Airplanes,Convertible Backpack Briefcase for…

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【26-45L EXPANDABLE DESIGN】: Before extended is 26L, dimensions are 19.5x13x6.8inch; after extended is 45L, dimensions are 19.5x13x11.5inch. You can expand the zipper and buckles according to your requirement. The two handles set on top and one side, which allow an easy switch between backpack and suitcase. So it can be carried vertically or horizontally. The luggage belt on the back allows being slide over the luggage tube,backpack very easy to carry, it is great for 3-7days daily travel.
【LARGE CAPACITY EASY TO CARRY-ON】:The backpack with many compartments, organization and expansion.The main pocket can hold your travel goods,fit 5-8pcs clothes. It is cool that there is a wet pouch to liquids.Front compartment can also hold magazines,Ipad and books and power bank which can charge your phone. 19inch laptop compartment size: 16.5″ x 11.8″ (please cheak your laptop size),Backpack Back with padded batter can protect your laptop.