1)100% natural rubber. 2)Edge control for quick removal of water from the windscreen. 3)New locking system for quick and easy installation. 4)Stainless steel flexors for smooth wiping action. 5)Heavy-duty,rivetd steel frame for durability. 6)Simple universal adaptors are provide to fit any car. 7)We can also develop new specifications according to customers' requirements. 8)The wiper blades are certificated by TUV-ISO9001 (Germanic Standard) or JIS D 5710 (Japanese standard)