Roller blind for vehicle

The invention relates to blackout curtains, in particular for protection against sun rays, intended to be used in a motor vehicle, specifically at the level of the headlining. According to the invention, the roller blind curtain is formed of a stack of at least three layers, including: a layer [11] matching the interior trim of said vehicle; a stiffening layer [12]; an opacifying layer [13], intended to prevent or limit the passage of light.