An airbag cover includes a base material, a retainer, an airbag cover main body, and a flexible skin layer. The door portion includes a door constituent portion of the base material, and a door support portion provided in the retainer and holding the door constituent portion. The retainer includes the door support portion, a peripheral edge portion disposed around the door support portion, and a substantially flat plate-shaped hinge portion disposed between the peripheral edge portion and the door support portion and bendable when the door portion is opened. The base material is provided with a space portion at a disposition portion of the hinge portion of the retainer, and the hinge portion is a non-disposition portion of the base material. A region of the hinge portion includes two layers of the hinge portion of the retainer and the skin layer bonded to the hinge portion.