1、ATTRIBUTE: ·Wiper Blades for All Season ·Bracketless wiper blades are designed without brackets or hinges ·Wiping Durability: 1 million times of wiping. ·Superior wiping performance, revolutionary quiet operation ·Vibration free, reduced streaking and smearing ·Resistance to all adverse climates 2、RECOMMENDATIONS: ·Be sure to clean the windscreen if it is contaminated with oil, wax, dirt and grimes to ensure the service life. ·Windscreen wiper blades should be replaced when they do not perform as expected or do not provide a sufficient level of safety. ·If wiper blades do not lift off the windscreen, operate the wiper until they reach the center of the windscreen, turn off ignition, and change the wiper blades.