Superior Quality: Made with durable, weather-resistant 1200D ballistic polyester to withstand heavy use and harsh conditions Travel With Ease: ScanSmart lay-flat technology protects up to a 17 laptop, opens quickly at airport security, and ensures a hassle-free laptop-in-bag TSA scan. Comfortable: Contoured shoulder straps with mesh fabric and adjustable side compression straps. Padded back panel with Airflow ventilation technology for added support and comfort. Dimensions: Exterior Dimensions18.5 X 13.5 X 9; Laptop Compartment Dimensions 17 X 12.5 X 2.5; Large capacity 31 liters Organizer Pocket; Padded Shoulder Straps