Rotary brush construction for washing systems, particularly for washing vehicles

A vehicle washing system rotary washing brush construction comprises a platform, of an elastic and/or flexible material, adapted to be wound about a support tube, said platform comprising a plurality of recesses each formed by a barrel projection having an inner base therethrough at least two throughgoing holes are formed, an inlet hole and an outlet hole, for allowing a thread to pass therethrough, in each said recess said thread encompassing and binding a folded flap portion of a strap element, thereby encompassing said folded flap portion or passing therethrough as a stitching arrangement.