Abstract: A wiper device having improved durability includes: an arm head having one end fixed to a pivot shaft installed on a vehicle; and a retainer having one end coupled to the arm head to rotate relative to the arm head and the other end coupled to a blade for wiping a glass of the vehicle, wherein the retainer includes: a body formed of synthetic resins; and a reinforcement member that is coupled to a portion of the retainer, which is adjacent to the arm head, and is formed of a metal material.