Ventilate the interior using the driving wind. Ventilation mechanism included Sport side visor with ventilation mechanisms not found in typical side visors. Utilizes driving wind to generate negative pressure and actively discharge the air inside the car. This function is proportionately from slow to speed. Made of high quality injection molded acrylic resin The sporty aerobic form was developed based on simulation analysis, and has a great dress up. This practical item is not only recommended for sport-oriented users, but also for family and pet lovers.