35L Travel Backpack,Flight Approved Carry On Backpack for International Travel Bag, Water Resistant Durable 17-inch Laptop Backpacks,Large Daypack Business Weekender Luggage Backpack for Men Women …

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【22-35L EXPANDABLE DESIGN】: Before extended is 22L, dimensions are 17.5×11.8×5.5inch; after extended is 35L, dimensions are 17.5×11.8×9.5inch. 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 3-5days 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. 17inch laptop compartment size: 15.3″ x 11.4″ (please cheak your laptop size),Backpack Back with padded batter can protect your laptop.