Luggage / Suitcase strap on the back is great to slide over the luggage tube and attached to your rolling luggage securely for easier transport. ease the heavy weight., less burden on your shoulder and back when on the go. Best Gift Ideas. Practical birthday gifts and functional present for those who go to school, traveling and work. External pocket on side expands to secure various size water bottles and compact umbrella Backpack with charge port. USB Charger port is a convenient external connection, it offers an easy access to charge your devices. Hook up your phone and be on the go. Multi-panel Airflow system provide relief when carrying heavy loads. Many padding on the back, shoulder straps and grab handle makes it comfortable to carry, barely feel the weight. 100% Brand New and made of High Density and Water Repellent Polyester Fabric, not easy get wet and ensure long lasting usage Separate Laptop Compartment: Fits 16 15.6 15 14 13 Inch Laptops and Macbook(Laptop over 16inch is not recommended) We are committed to provide customer unique and high quality backpacks, If you have any issue, we will reply with you within 12 hrs. THIS ITEM IS NOT INTENDED FOR USE BY CHILDREN 12 AND UNDER.