Targus CCB5 Convertible BackPack Separate book/file compartment (13 x 15 x 2.5) Disk pockets (holds up to 9 3.5" disks Padded computer compartment (13 x 15 x 2.5) Oversized front accessory pocket (11.5 x 9.5 x 2) Hideaway padded back straps