Retractable telescoping tow handle; Stowaway harness shoulder strap system; Non-slip shoulder strap w/breathable fabric; In-line skate wheels for smooth transport; Fold-down padded back for comfort; Deluxe organizer with key chain; CD pocket; Divided front pocket for ultimate organization; Large expandable main compartment with 5 sub-divided pockets; Exterior cell phone pouch and quick-access mesh pocket; Capacity: 2,800 cu. in. (46 liters); Dimensions: 21" x 14" x 9" ( 53 x 36 x 23 cm).