Glass Water Repellent Glass Water Repellent dramatically improves wet weather driving visibility. Simply apply the treatment to exterior glass and watch the raindrops fly off your windshield while driving. Also recommended for motorcycle helmets, shower windows and tiles. Helps to improve visibility by repelling rain, sleet and snow. Studies conducted by a major university, show that better visibility improved driving response time up to a full second. Does not contain silicone. Provides water repelling properties Improves wet weather driving visibility Wide range of application Does not contain silicone