1.This travel laptop backpack has multiple interior pockets that help you organize all your stuff to carry all essential items, such as clothes, iPad, umbrellas, books, bottles, tablet, laptop, etc. It is suitable for 3-7 days weekender or business trip, can be used as a carry-on flight bag. 2.Backpack with charge port. USB Charger port is a convenient external connection, it offers an easy access to charge your devices. Keep up your phone and be on the go. 3.Luggage / Suitcase strap on the back is designed to slide over the luggage tube and attached to your rolling luggage securely for easier transport. Don't have to carry the backpack on your back, less burden on your shoulder and back when on the go.