<p>A sunshade device is provided with a light blocking sheet adapted to block light from entering a vehicle interior through an opening formed in the vehicle or to permit the passage of the light. The light blocking sheet moves along a pair of guide rails having guide paths which slidably support both ends of the light blocking sheet in the width direction of the vehicle. The sunshade device is provided with hiding members extending in the longitudinal direction of the guide rails and hiding the guide paths from the vehicle interior.</p>
