Full Details from Amazon.com : http://www.amazon.com/gp/product/B0057V9HPQ?tag=onigi-20

Targus Terra Backpack Designed for 16-Inch Laptops - TSB226US (Black/Red Accents)

Designed to fit up to 16 inch laptops Constructed of durable 840D polyester and a rugged bottom panel to protect from wet weather
Features numerous accessory pockets dedicated MP3 pocket with headphone port two water-bottle pockets and a quick-access front pocket
For immediate protection during wet weather a hidden detachable rain-fly covers the entire backpack providing an extra layer of protection
Compression straps on each side of the case allow users to compress heavier loads so its easy to carry on your back Heavily padded back panel provides ergonomic support
Features a breathable mesh lining and is constructed to allow for ventilation while carrying the Terra backpack
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