CalPak Enforcer Rolling Backpack:
This multi-pocket rolling backpack measures 18" x 13.5" x 7" and is constructed from Rip Stop and polyester. The bag features a self-locking 3-section retractable rectangular handle system. It also features a heavy-duty in-line skate wheel system with a padded wheel cover system. The bag also has an additional front top zippered pocket and self-repairing excel zippers.