Automobile airbag door

An automobile airbag door includes a base member 21, a three-dimensionally knitted inner cushion layer 23, which is arranged on one side of the base member, and a covering 25 arranged on a side of the base member opposite to the inner cushion layer. The base member and the inner cushion layer each have a plurality of cleavage grooves 22,24, which serve as starting points of breaking action when the airbag door is pressed by the airbag being deployed and inflated. An outer cushion layer 26 is located between the inner cushion layer and the covering.