Grommet with coupling portions

A grommet includes: a first coupling portion that couples a first tubular portion and a first base portion to each other; and a second coupling portion that couples a second tubular portion and a second base portion to each other. The first coupling portion and the second coupling portion are provided with a space therebetween in the axial direction of the grommet. The first coupling portion includes a first flexible portion. The second coupling portion includes a second flexible portion. The first flexible portion and the second flexible portion are configured to bend so as to absorb an inclination of a wire harness with respect to a vehicle body panel. The first coupling portion and the second coupling portion provide a first sound insulation space therebetween.