BANGE 45L Carry-on Backpack, Expandable Travel Backpacks for Airplanes,Convertible Weekend Backpack Briefcase for Traveling,Water Resistant College 17.3” Laptop Backpack for Men & Women

【26-45L Expand Backpack】: 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 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.. 【17.3Inch Laptop Backpack】: 45L travel backpack has a separate laptop compartment, which can hold 17.3 inch laptop and protect laptop from moving. With high quality waterproof PVC material, your laptop can be prevent wet in the raining days.. 【Multipurpose Backpack】: The shoulder and handle joints are adopted bold line sewing to make it sturdier. The two thick handles are comfortable for long time carrying. All the zippers are durable and smooth which are sturdy explosion-proof. Different compartments with different sizes and features make you to storage items easily and neatly. A great companion for commuting, business trip, hiking, travel, camping and other outdoor activities.. 【Ergonomic and Comfortable】: Ergonomic airflow back design with thick but soft multi-panel ventilated padding for added support and comfort, decreasing the pressure of shoulder and neck. Shoulder straps with adjustable anti-slip chest belt and quick release, and you will not feel pressure for long time carrying.This item is not intended for use by children 12 and under.