Rain-X RX30121 Conventional 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 High quality traditional blade  meets or exceeds all original equipment manufacturers standards