Our Features Large Capacity - Sufficient room for 15.6" laptop and clothes for 4-6 days travel. Easy to Carry - The backpack is light to carry. Two handles are set both on top and one side of the backpack allowing a more flexible carrying experience. You can carry it vertically or horizontally, or by fixing it on a trolley. Made to Last- The backpack is made up of durable abrasion, scratch and splash resistant materials. Anti-theft Design- The main bag adopts a dual zipper design. The two lock heads can be locked in the middle to protect your belongings from theft. Its very convenient for you to reach your precious items.