A door hole seal is provided between an inner panel and a door trim of an automobile door. The door hole seal comprises a slit mechanism used to pull out a wire harness from an outer-cabin side to an inner-cabin side or from the inner-cabin side to the outer-cabin side. The slit mechanism comprises a first slit extending up and down with respect to the main sheet and a circular hole formed at a lower end of the first slit. The circular hole has a diameter that is identical to or slightly smaller than that of a wire harness, and is arranged to receive the wire harness.