Blue 18" Expandable Rolling Backpack,wheeled Bookbag,school bag w/ Retractable Handle Navy Blue18" Expandable Large Rolling Backpack Wheeled Bookbag Travel Bag School Satchel with retractable handle This is fabulous and functional 18" Expandable rolling backpack. Convenient front sleeve pocket fits a iPad with case. Dual zippered compartments. . Reinforced bottom and construction. Lightweight and durable design. Black retractable handle for easy maneuver. Self-repairing excel zippers. Side elastic mesh pockets. Built-in organizer in the front pocket. Adjustable padded backpack straps. Padded wheel cover for backpack conversion.