SwissGear ScanSmart Laptop Backpack - Blue Organizer pocket: interior pocket organizer provides detachable key fob and divider pockets for pens, pencils, cellphone and CDs Audio pocket: internal pocket includes special pouch for MP3 player with an external headphone port Weave fabric: made of durable ballistic weave fabric Open viewing compartment:unique, quick-recognition window designed to accommodate most 17" laptops Eyeglass holder: elastic tab on shoulder strap keeps sunglasses secure and conveniently accessible