A product to secure your carâ€™s windows with a protective coating. Glaco Roll On Large ensures water-repellency for car windows and glass wing mirrors! Easy to use even on minivans or big cars. The invisible windshield wiper effect appears at 45 kph. Suitable for every weather â€“ in winter, during snowfalls and frost exposure, window freezing is impeded! Specially designed bottle with an ergonomic shape, and a head twice as big as in the conventional products of this type, makes the application very easy.