Brenthaven Pro 12-15 Shoulder Case for Powerbook and iBook, 12-15" Custom fit for Apple Powerbook, iBook and other thin notebooks up to 15". Brenthaven patent-pending CORE Protection System protects all 4 corners and 2 side panels. Rugged Ballistic Nylon that will keep your laptop bag looking good for years to come. Back compartment provides a file organizer and multi-media storage section. The legendary Brenthaven lifetime guarantee!