Skyway Montage 22 Expandable Vertical Carry-On Case - Navy Constructed of ultra-durable water and tear resistant polyester fabric Automotive style Quiet Wheel Systemtrade; features high impact wheel housings mounted at the outside corners to ensure superior stability and smooth operation Expandable an additional 3 for a depth of 12 Ergonomic rubber grip handles Self-repairing nylon zippers with rubber inserts for an easier grasp