WIPER

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