Disposable diaper

A disposable diaper comprising:

• a front waistline region, a rear waistline region, and a crotch region positioned between the front waistline region and the rear waistline region;
• a longitudinal direction extending from the front waistline region to the rear waistline region and a width direction perpendicular to the longitudinal direction;
• and
• a pair of fastening tapes extending in the width direction in the rear waistline region and fastened to the front waistline region,
• wherein the front edge of the disposable diaper includes a curved recess recessed rearward in a region including the center of the disposable diaper in the width direction, and a front straight portion extending parallel to the width direction from the outer edge of the recess, and
• the rear edge of the disposable diaper includes a curved projection protruding rearward in the region including the center of the disposable diaper in the width direction, and a rear straight portion extending parallel to the width direction from the outer edge of the projection,
• the disposable diaper comprising:
• a pair of first cutout portions recessed rearward in a curved shape from the outer edge of the front straight portion and recessed inward in the width direction in a curved shape from the front edge of the outer edge of the disposable diaper;
• and
• a pair of second cutout portions recessed frontward in a curved shape from the outer edge of the rear straight portion and recessed inward in the width direction in a curved shape from the rear edge of the outer edge of the disposable diaper.