Kensington 62904 Contour Cargo Notebook Computer Backpack Utility Panel includes device-specific pockets for instant access and organization of important devices - theres even a headphone port for your favorite music player Unique zippered Locker Door keeps media drives, business cards, pens and more within easy reach Includes American Chiropractic Association (ACA) recognized Contour System with adjustable lumbar support that shifts weight to the hips, reducing fatigue and customizing the fit DropShield shock absorbing system and SnugFitTM sleeve protects most notebooks up to 15.4" Heavy-duty Contour backpack straps with dome pressure pads reduce slippage and increase comfort