1. 50 80L EXPANDABLE LARGE CAPACITY : The travel laptop backpack has many compartments for organization. You can expand it according to your need by using the zipper and buckles. The main pocket can hold your travel items. There is a wet pouch which is useful. The front compartment can hold magazines, laptop or other travel personal items. 2. COMFORTABLE TRAVEL BAG: This backpack is made of thickened fabric, which is anti theft, water resistant and scratch resistant. Its back and shoulder straps are made of elastic and breathable materials. It has an ergonomic back design with thick but soft multi panel ventilated padding for added support and comfort, reducing the pressure on the shoulder and neck. 3. USB PORT DESIGN: The travel backpack for men has a built in USB charger outside and a built in charging cable inside, providing a more convenient way to charge your phone while on the move. Note that this travel backpack doesn't include the power source itself; the USB charging port only easy access to charge. 4. ANTI THEFT DESIGN: The back pocket of the backpack protects your valuable items like phone, passport, wallet from theft during travel or when lining up.