SILENCER

A silencer includes a panel cover portion and a protrusion cover portion that extends upward from the panel cover portion and covers a protrusion of a panel. The protrusion cover portion includes a first protrusion cover portion and a second protrusion cover portion that have an elongated shape and cover the protrusion. The first protrusion cover portion includes a first protrusion cover body portion and a fitting portion that extends from an end of the first protrusion cover body portion with respect to a longitudinal direction. The second protrusion cover portion includes a second protrusion cover body portion and a stopper portion that extends from an end of the second protrusion cover body portion with respect to the longitudinal direction. The protrusion cover portion has a bag shape that covers the protrusion with the fitting portion and the stopper portion being fitted to each other.