CarPro FlyBy30 Windshield & Glass Coating Kit CarPro FlyBy30 is a durable coating designed to repel water, dust, dirt, sleet, snow and other airborne contaminants on your vehicles exterior glass This state-of-the-art nano-based coating provides up to 8 months of protection for your vehicles exterior glass CarPro FlyBy30 gets its name from its ability to cause water to bead up and roll off at speeds in excess of 30 mph