35L Travel Backpack for Men, Flight Approved Carry on Backpack for International Travel Bag, Water Resistant Durable 17inch Laptop Backpacks, Large

Please note: this option is also 35L ,the only difference is that the main material of this 35L option is Oxford cloth, except for the front which is PVC material( another 35L is mostly PVC waterproof fabric).this option is relatively lighter in weight and more breathable, but its waterproof performance is weaker than that of the full PVC one. 23-35L EXPANDABLE DESIGN : Before extended is 23L, dimensions are 18.1x11.8x5.5inch after extended is 35L, dimensions are 18.1x11.8x10.2inch. 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