Rain-X Rx30118 Rainx Pro Wpr Blde 18 (1) The Rain?X Weatherbeater Wiper Blade provides a smooth, clean, streak-free wipe by using embedded friction reducers and multiple pressure points. Long lasting durability  defined by a galvanized steel frame that prevents rust and corrosion All natural squeegee rubber  resists cracking, splitting and tearing caused by heat, cold, windshield wiper fluid and salt