Silblade WB119S Premium Black Silicone Wiper Blade, 19" (Pack of 1) Patented formula is unaffected by UV, sunlight, ozone, oil and grimefrom road spray and Silbalde can withstand extreme temperatures as low as -80F and as high as 400F Patented PTFE coating gives our silicone wiper its ability to effortlessly glide smoothly across your windshield Silicon formulation leaves an invisible hydrophobic (water repellent) coating, which forms within 90 days from the first use Frame is made of high gauge steel and powder coated with long lasting paint to withstand extreme weather conditions and resist corrosion Easy installation, it has preinstalled adaptor that fits the vast majority of vehicles and comes with additional adaptors to fit late model specific OEM (original equipment manufacturer) arm types