Ricardo Beverly Hills Luggage San Mateo 21 Inches 4 Wheeled Expandable Wheelaboard, Onyx/Silver, 21x15.75x10 10.0 lbs. Ballistic nylon with 100% virgin abs to produce cases that are strong, secure and very lightweight Freewheel system for 360 mobility Split book style opening offers two full packing compartments Gusseted external pockets allow quick access to needed items