Features:600D polyester fabric with water-repellent processing ensures a secure and long-lasting usage.Spacious main compartment for daily necessities, like keys, keys, credit cards, books.Laptop compartment inside holds laptop up to 15.6 inch. Side pocket for water bottle.User-friendly plastic sheet helps to hang a shirt and free your hands.Comfortable airflow back with soft ventilated padding gives you maximum back support.Adjustable shoulder straps relieve the stress of shoulder. Reinforced top handle for long time carry on.Lightweight and great for travel, camping, hiking, college, working, and everyday use.