The invention relates to a windshield wiper device (100) for a vehicle, comprising a wiper blade (2) having an elongated upper part (10) and an elongated lower part (12), which are configured to be flexible, at least in part. Furthermore, the device comprises a plurality of connecting elements (18) for connecting the upper part (10) and the lower part (12), which are spaced apart from each other along a longitudinal extension (8) of the wiper blade (2), and which are configured to allow a movement of the upper part (10) and the lower part relative to one another with a motion component along a longitudinal extension (8) of the wiper blade (2). The windshield wiper device (100) further comprises a fastening device. The fastening device comprises a fastening part (20) on the wiper-blade side, and a fastening element (50). The fastening part (20) on the wiper-blade side, and the fastening element (50) are configured such that by means of a rotation of the fastening part (20) on the wiper-blade side relative to the fastening element (50), an engagement can be formed in order to connect the fastening part (20) on the wiper-blade side to the fastening element (50), wherein the connection can be released by means of a release mechanism.