PROBLEM TO BE SOLVED: To provide a disposable diaper and a diaper cover, the whole right and left flap parts of which can be stretched.SOLUTION: A disposable diaper 1 includes: a front side part F a rear side part B and a crotch part C located therebetween in the longitudinal direction y, and further includes: a left flap part LF and a right flap part RF extending from the rear side part B in the width direction x. The left flap part LF and the right flap part RF respectively have a front side edge 2 and a rear side edge 3, and the left flap part LF and the right flap part RF are provided with: a first slit 4a formed extending in the longitudinal direction y, with one end thereof extending to the front side edge 2 and a second slit 4b formed extending in the longitudinal direction y, with one end thereof extending to the rear side edge 3.COPYRIGHT: (C)2014,JPO&INPIT【課題】左右フラップ部全体を伸長させることができる使い捨ておむつおよびおむつカバーを提供する。【解決手段】前後方向yに前側部Fと後側部Bとこれらの間に位置する股部Cとを有し、後側部Bから幅方向xに延在する左フラップ部LFと右フラップ部RFとを有する使い捨ておむつ1であって、左フラップ部LFと右フラップ部RFは前側縁2と後側縁3を有し、左フラップ部LFと右フラップ部RFに、前後方向yに延び、一方端が前側縁2まで延びる第1スリット4aと、前後方向yに延び、一方端が後側縁3まで延びる第2スリット4bが形成されている。【選択図】図4
