Victorinox Avolve 29 Expandable Wheeled Upright, Graphite, 29 Comfort grip, one-touch dual trolley handle system locks into two different positions to accommodate travelers of various heights Four-wheeled castor system adds stability and produces zero weight-in-hand when rolling upright Spacious main packing area, front u-shaped pocket, top and side zippered pockets 13 lbs Lifetime warranty