【CLEAR & STRAINLESS】: AAAA+ natural rubber, the surface is treated with a special Teflon process to keep the wipers consistently clean. 【Stable fit】: streamlined wind design, streamlined version of the shape, aerodynamic and visual perfect interpretation. 【ong-lasting and durable】: Antioxidant, wear-resistant, corrosion-resistant, adapted to use in various harsh environments. 【Easy Installation】:After many debugging and testing, it ensures quick installation without other adapters and tools! 【Product Specifications】: Front windshield wiper blade 21 inches + 20 inches, U-shaped hook interface type.