#$%^&*AU2014101514A420150226.pdf#####ABSTRACT A disposable diaper having a longitudinal direction and a width direction intersecting the longitudinal direction, the disposable 5 diaper includes: an absorbent body that absorbs l iquid； flaps positioned in both side portions in the width direction； and a stretchable member that stretches along the longitudinal direction, end edge portion in an outer s id in the width direction of the side flap having a wave ftorm part that is a wave form in which projected portion projected to the 10 outer side in the width direction and a depressed portion depressed to the outer side in the width direction are repeated alternately in the longitudinal direction, stretchable member being provided, in the width direction, in either one of an inner side position and a further inner side than the inner side position, the inner side position bei ng away 15 from a depressed portion tip of the depressed portion to an inner side by a distance between tips, te distance between tips being a distance between the depressed portion tip and a projected portion tip of the projected portion in the width direction,
