A product to secure your car’s windows with a protective coating. Ensures water-repellent for car windows and glass wing mirrors. Glaco evens the windshield surface, helping to repulse water under air pressure. The invisible wiper improves visibility during bad weather conditions, helping to increase the overall safety of the passengers. In winter or in times of morning frosts, window freezing is impeded. Bottle with a big head makes the application easier, especially on bigger cars! The invisible windshield wiper effect appears at 45 kph or less, making the Roll On one of the best options for city driving.