The Osprey Ozone 19.5 Inch Travel Pack is a wheeled carry-on bag for airplane travel. Well, stay grounded if you wish, either way the wheels will come in handy when going through the airport or around the hotel. Capable of even international flights, the main compartment has a large zip access, mesh pocket inside, plus exterior pockets for access to liquids (speed through TSA) and reading materials. Features of the Osprey Ozone 19.5 Inch Travel Pack Top and side padded handles for comfortable carry Large, quick access liquids pocket at top Tuck-away tow strap lets you pull or attach another bag Dual Upper compression straps keep contents from shifting and can be used to secure a jacket Easy to pack, side opening main compartment has a tough #10 YKK zipper with lockable sliders for extra security Dual internal compression straps with fabric wings keep clothes neat Ventilated mesh-covered die-cut foam harness and backpanel Rear panel zippered pocket offers bonus space for dirty or wet clothes Mesh-obscured ID window on back panel External zip pocket on front panel is perfect for stashing magazines 16in. wide chassis optimizes volume for international carry-on dimensions Internally reinforced 6061 Aluminum frame provides great strength with less weight Durable, 90mm large diameter, sealed-bearing wheels roll quietly over obstacles and rough surfaces Extendible single tube handle with ergonomic grip provides excellent control Internally reinforced 6061 Aluminum frame provides great strength with less weight Durable, 90mm large diameter, sealed-bearing wheels roll quietly over obstacles and rough surfaces Extendible single tube handle with ergonomic grip provides excellent control