Brenthaven Duo 15 Shoulder Case for Notebooks 12-15" Brenthaven patent-pending CORE Protection System protects all 4 corners and 2 side panels. Combination compartment provides a file organizer and multi-media storage section. Rugged Ballistic Nylon that will keep your laptop bag looking good for years to come. Front organizer panel has multiple pockets for mouse, battery, USB flash, disks, etc. The legendary Brenthaven lifetime guarantee!