To provide a disposable diaper in which a fixing tape can be temporarily fixed to a side flap by providing the fixing tape having a hook member on the side edge of the side flap in the disposable diaper wherein the stretchable side flap being arranged along the longitudinal end parts of the diaper body is provided.
In vicinities of the side edges of a pair of the side flaps arranged along the longitudinal end parts of the diaper body, the fixing tape is provided. The hook member is provided on the fixing tape, and the hook member is engaged with a region (engaging region) of the side flap with which the fixing tape is engaged for this disposable diaper. In the disposable diaper, the engaging region is constituted of an engaging part with which the hook member is engaged, and a non-engaging part which is extremely weakly engaged with the engaging part or is not engaged at all. Thus, even when the engaging force of the hook member is strong, the temporary fixation by a weak engaging force becomes possible.
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