A diaper cover comprising a front part, a back part and an intermediate part located between the front part and the back part in a front-back direction, a right waist part and a left waist part extending from the back part in a width direction, and a right flap part and a left flap part extending from the front part in the width direction, wherein each of the right flap part and the left flap part is provided with a first attachment, the right flap part, the left flap part and the intermediate part are stretchable, and the first attachment is attachable to a position on a dorsal side of a wearer in a state where the right flap part and the left flap part are stretched.
