Alpha 2 Continental Expandable 4 Wheel Carry-On;If you need one carry-on for domestic and international travel, this four-wheel design may be the perfect case. With its shorter and wider configuration, it offers the packing capacity of a 22" case, fits easily in the overhead and will be accepted by most domestic airlines and many international carriers. .3-stage telescoping handle. Top, bottom and side carry handles. Four recessed swivel wheels. Protective bumper guards. Zip closure. Exterior zip compartments