Full Details from Amazon.com : http://www.amazon.com/gp/product/B005YQY5YM?tag=onigi-20

Targus Expedition Backpack for 16-Inch Laptops (TSB229US)

Designed to fit a range of laptops with screens up to 16 in size including models with an extended battery
A comprehensive business workspace with all of the compartments you need to carry files business cards keys storage drives and other on-the-go essentials
Features a paddedrugged bottom panel with water-resistant material to protect the contents of the bag from moisture
Headphone pass-through keeps your multimedia device safely inside your bag without missing a beat
A pocketed cover that covers your backpack for immediate protection from the elements
Limited Lifetime Warranty At Targus we stand behind all of our products We offer one of the most comprehensive warranties in the industry so you and your device are covered