A grommet (1) including a body portion (3) dividing an inside and an outside of a mounting member, an electric wire insertion portion (7) extending from the body portion (3) toward the outside of the mounting member and configured to insert an electric wire, a seal portion (9) provided at an end of the electric wire insertion portion (7) to be in close contact with an outer circumference of the electric wire, and a protective portion (11) disposed on the electric wire insertion portion (7) and configured to extend along the electric wire insertion portion (7) and to cover an outer circumference of the electric wire exposed from the seal portion (9).