The present invention refers to a vaginal device 1 of an elastic material, said vaginal device 1 comprising a longitudinal portion 2 having a geometrical centre line 3, an upper end 4 and a lower end5 and which vaginal device 1 is intended to be inserted securely fixated inside of a vagina, the upper end 4 being the innermost of the vaginal device 1 in the vagina during use, to support against the urethra, through the vaginal wall, to prevent urinary stress incontinence in a woman, wherein the vaginal device 1 comprises at least one supporting portion 6 protruding from the longitudinal portion 2 and a reference member 7 protruding from the longitudinal portion 2 at the lower end 5, which reference member 7 during use is fixated against the vaginal introitus, holding the vaginal device 1 securely fixated inside of the vagina and ensuring said at least one supporting portion 6 to support against the urethra.
