Disposable wearing article

A disposable wearing article comprising:

• a waist portion having an outer side portion exposed on an external surface and an inner side portion overlapped with an inner side of the outer side portion;
• a waist adjacent portion continuing extending from the outer side portion of the waist portion toward a crotch side;
• an outer side stretchable region extending over the outer side portion of the waist portion and the waist adjacent portion;
• and
• an inner side stretchable region provided in the inner side portion of the waist portion,
• wherein the outer side stretchable region has
• a first sheet layer made of a nonwoven fabric,
• a second sheet layer made of a nonwoven fabric, and
• an outer side elastic film being interposed therebetween and extending over the outer side portion of the waist portion and the waist adjacent portion,
• the first sheet layer and the second sheet layer are welded through joint holes penetrating the outer side elastic film at sheet joined portions arranged at intervals,
• the outer side stretchable region contracts in a width direction by contraction of the outer side elastic film and is extensible in the width direction,
• the inner side stretchable region includes an inner side elastic member,
• the inner side stretchable region contracts in the width direction by contraction of the inner side elastic member and is extensible in the width direction,
• the outer side portion and the inner side portion are joined with each other in a stripe pattern formed by disposing, alternately and repeatedly in the width direction, inner/outer bonded portions continuous in a front-back direction and inner/outer non-bonded portions continuous in the front-back direction, and
• a natural length in the width direction of the outer side portion is 1.1 to 1.8 times a natural length in the width direction of the inner side portion.