Full Details from Amazon.com : http://www.amazon.com/gp/product/B008K4PGX4?tag=onigi-20

Pelican U100 Black Elite Storage Backpack for Laptop (0U1000-0003-110)

Built-in watertight crushproof case
Fits 15 laptops and up to 17 Apple
IP67 Tested - 3 ft underwater30 minutes
Easy open push button latch
Pressure EQ valve prevents vacuum lock
Fits Notebooks With Up To 17-Inch Screens