In-line corner wheels with ball bearings for easy mobility. Features top carry handle, adjustable backpack straps, push button locking retractable mono handle, organizer in front pocket, 2 large front zipper pockets and side water bottle pockets. Accommodates most 15.6" notebooks. 600-denier polyester. 5 lbs. 13-1/2"W x 8-1/2"D x 20"H. Black.