... and curved glass is tightly jointed. Uniform stree,blade coating for carbon film. Quiter,smoother,more clean. Three sections design, ... clean.Material: SUS304 Stainless elastic steel, natural rubber, engineering PET shell, Teflon additive + SP resistance coating.High definition, more silence, ... durability ISO9001:2000 and ISO/TS 16949 Certificated Universal 3 sections-type wiper blade for cars