WIPER

A wiper having a snapping seat (100), a pair of elastic arms (200) and a pair of connection strips (300) and a scraper (400) is provided in this disclosure. One end of each elastic arm (200) is connected to the snapping seat (100) and the pair of elastic arms (200) are respectively extended from the snapping seat (100) in opposite directions. Two sides of each connection strip (300) are respectively provided with a lower rail (320) and the elastic arm (200) is sheathed in the lower rail (320). An upper rail (420) is disposed on a side of the scraper (400), and the upper rail (420) is sheathed in the respective lower rails (320).