Rain-X� Latitude� Water Repellency wiper blades provide an innovative 2-in-1 solution to both clear and repel the elements for ultimate driving visibility. These wiper blades not only give you the superior wipe quality you�ve come to expect from Rain-X� Latitude� blades; but now also treat your windshield with a water repelling coating for the ultimate in driving visibility! Rain-X� Latitude� Water Repellency blades work by transferring a Rain-X� water repelling coating from the wiper squeegee to the windshield during initial use. For optimal water repellency activation; run your wiper blades on a clean; dry windshield for 2 Minutes. Once activated; the water repelling action will last for months! The Rain-X� water repelling coating will also help clear your windshield of harsh winter weather driving elements; such as ice; snow and sleet. This can help reduce wear and tear on the squeegee and lead to longer blade life.