Capacity: Typically fits laptops from 15.6 to 17.3 inches.Connectivity: Features an external USB charging port for mobile devices.Safety & Visibility: Includes reflective strips for night visibility and an anti-theft design to secure valuables.Material: Constructed from water-resistant Oxford cloth or high-elastic polyester.Comfort: Designed with an ergonomic carrying system and a ventilated back panel to reduce pressure.