VEHICLE SUN VISOR

A mirror unit includes a frame provided separately from or integrally with the one half body, a mirror and slide cover attached to the frame, a slide mechanism that allows slide cover to slide between an open position at which a mirror surface of the mirror is exposed and a closed position at which the slide covers the mirror surface of mirror, relative to the frame, and a position holding mechanism capable of holding slide cover via the slide mechanism at the closed and open position. W, a distance between pair of resin springs in a natural state>W, a distance between pair of main guide rails >W, respective distances between the protrusion portions facing each other at the pair of main guide rails, and W, the distance between pair of main guide rails >W, a distance between the pair of auxiliary guide rails.