PROBLEM TO BE SOLVED: To provide an expandable diaper that is properly worn so as to suppress leakage from a leg.SOLUTION: An expandable diaper is characterized as follows: a pair of elastic leg stretchable parts is provided in the longitudinal direction in the part of both outsides in the width direction； a first mark area and a second mark area visible from the skin side of the thickness direction are provided in the part of a longitudinal front waistline side； also, a third mark area and a fourth mark area visible from the non-skin side of the thickness direction are provided； the first mark area is positioned in one side of the width direction； the second mark area is positioned in the other side of the width direction； the first mark area and the second mark area are the area to be closely brought by a wearer in wearing so that the non-skin side surface of the diaper may become the convex； the third mark area is positioned in the edge side of the longitudinal front waistline side among leg stretchable parts of the one side of the width direction； the fourth mark area is positioned in the edge side of the longitudinal front waistline side among the leg stretchable parts of the other side of the width direction； and the third mark area and the fourth mark area are the area to be contacted by wearer's fingers in the wearing.SELECTED DRAWING: Figure 3【課題】脚回り開口からの漏れが抑制されるように適切に装着される展開型おむつを提供すること。【解決手段】幅方向の両外側の部位に、長手方向に伸縮可能な一対の脚回り伸縮部を有し、長手方向の前胴回り部側の部位に、厚さ方向の肌側から視認可能な第１目印領域及び第２目印領域を有するとともに、厚さ方向の非肌側から視認可能な第３目印領域及び第４目印領域を有し、第１目印領域は幅方向の一方側に位置し、第２目印領域は幅方向の他方側に位置し、第１目印領域及び第２目印領域は、装着時におむつの非肌側面が凸となるように装着者が近づけるべき領域であり、第３目印領域は、幅方向の一方側の脚回り伸縮部のうち長手方向の前胴回り部側の端近傍に位置し、第４目印領域は、幅方向の他方側の脚回り伸縮部のうち長手方向の前胴回り部側の端近傍に位置し、第３目印領域及び第４目印領域は、装着時に装着者が指を接触させるべき領域である展開型おむつ。【選択図】図３
