A center console at a walk-through between seats which is held to be parallel to a horizontal surface in use, and is rotatable to be vertical to the horizontal surface when not in use, has: a storing part having an opening at an upper portion; a cover for closably covering the opening; rail members to support the cover to be slidable; and frame bodies for supporting the rail members, wherein the frame body has: a side surface portion which covers a side surface of the rail member; and an extending portion which extends inwardly from an upper end of the side surface portion and a tip end portion of which is bent downward, the side surface portion including a lower engaging piece engaging with a lower portion of the rail member, and the portion bent downward including an upper engaging piece engaging with an upper portion of the rail member.