Door hole seal and method of stacking a plurality of door hole seals

A method of stacking, on top of each other, a plurality of door hole seals each of which is to be attached to a door inner panel of a vehicle door,

• each of the door hole seals comprising:
• a main body part for closing a service hole of the door inner panel;
• and
• an adhesive part, arranged on a periphery of the main body part, for bonding the main body part to the door inner panel,
• the main body part having a protrusion provided thereon, the protrusion having a height greater than a thickness of the adhesive part,
• the plurality of door hole seals including two door hole seals adjacent to each other in a direction in which the plurality of door hole seals are stacked on top of each other,
• wherein the protrusion of one door hole seal of the two adjacent door hole seals is arranged at a position that is different from a position of the protrusion of another door hole seal of the two adjacent door hole seals, and
• the protrusion of the one door hole seal is arranged so as to abut against the main body part of the another door hole seal at a position that is different from the position at which the adhesive part is arranged,
• the method comprising the step of:
• stacking the another door hole seal on top of the one door hole seal.