McKlein Armitage Nylon Backpack 17" Laptop Case Side-Entry Access with detachable computer sleeve that protects laptops up to 15.4 in size Front organizer with storage space for media devices, cell phone, business cards, key holder and pens Front zipper pocket for small miscellaneous items Zippered fan-file compartment for documents Side zipper pocket for MP3 player complete with slit for ear phones; opposite side mesh pocket for small miscellaneous items. Air-lift mesh padding against your back to keep you dry and comfortable and ergonomically adjustable contour backpack straps