The Rain-X Original Glass Treatment improves wet weather driving visibility. Whether you are driving in heavy rain or ice, you will be able to see better with it applied to all exterior glass. Help your windshield wipers perform at an optimum level by treating your windows with this quality cover. Simply apply the treatment to exterior glass and watch the raindrops fly off your windshield while you drive. This car glass cleaner helps improve visibility by repelling rain, sleet and snow.