A protector main body including a bottom wall and both side walls and having an upper surface opening, is provided with an electric wire holder on a lower portion side of a bent portion, the electric wire holder projecting from a first side wall of the side walls and laid and locked to a second side wall of the side walls. The protector main body is also provided with taping tabs on both end portions in a length direction of the bottom wall. An electric wire bundle inserted through the protector main body is taped and fixed to the taping tabs, and pressed by the electric wire holder on the lower portion side of the bent portion, so as to prevent the electric wire bundle from projecting from the both side walls. In this state, the lid is covered on locked to the upper surface opening of the protector main body.