BANGE Travel Backpacks,Weekender Carry On Backpack, Waterproof Men's Business Laptop Backpack for 15.6inch (black-l)

【28-45L EXPANDABLE TRAVEL BACKPACK】: Before extended is 28L, dimension is 20*13.5*7.1 inch, after extended is 45L, dimension is 20*13.5*10.2 inch. You can expand the zipper and buckles according to your requirement, which can meet your 7 days business travel.
【LARGE CAPACITY CARRY ON BACKPACK】: BANGE mens backpack has many compartments and pockets. The main pocket can hold your travel goods,fit 5-8pcs clothes.Beside, an unique design is the mesh separation in the main compartment,which can divide your clothes and your electronic items, keep the backpack tidy and neaty. The wet and dry separation pockets can hold your washing items and keep other items dry all the time. Front compartment can also hold magazines,Ipad and books and power bank.
【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.