The carry on backpack for airplanes can hold 3-5 days of travel gear for a business trip. This travel backpack features three storage compartments so you don't have to worry about keeping things organized. The main compartment can store clothes, documents, travel necessities. The laptop compartment holds not only tablets and computers, but also books. This backpack luggage for travel has a built-in USB charger on the outside and a charging cable on the inside, making it easy to charge your phone on the go.