PROBLEM TO BE SOLVED: To provide a bath board which allows a user to recognize a portion to be opened/closed of the bath board without depending on a visual observation and to safely open/close the portion to be opened/closed.SOLUTION: The bath board is composed of: a support base material constituted by left/right side base materials placed on an upper face of a bathtub side wall and a rear side base material connecting the left/right side base materials and a tabular rotation member including front, left, and right edge parts, arranged between the left side base material and right side base material, and attached on the rear side base material so as to rotate. In left/right edge part sides of the front edge part of the rotation member, left/right grip parts for a user to grip with his/her palm are arranged, the grip parts being recessed rearward with respect to a center part of the front edge part of the rotation member and a front edge part of the left/right side base materials.SELECTED DRAWING: Figure 6
