PROBLEM TO BE SOLVED: To provide a diaper which easily positions the center of the diaper in a width direction and the center of the body of a wearer.SOLUTION: In an absorbent article, a plurality of thread-like elastic members are provided in an end part of a back side in a longitudinal direction, an absorbent core exists in a part on an inner side in a longitudinal direction from the thread-like elastic member, a part between an innermost thread-like elastic member in the longitudinal direction and the absorbent core is a non-existing part, a body part is provided with a pair of three-dimensional gather formation parts separated in a width direction along the longitudinal direction, the three-dimensional gather formation parts have an unstandable base end part and a standing part standable on a skin side with the base end part as a fulcrum in a thickness direction, a fixed part for fixing an end part of the standing part in a longitudinal direction in a state of being overlapped on the body part is formed at the end part, the fixed end existing on an innermost side of the fixed part in a longitudinal direction is located at the non-existing part, and the fixed part is provided in an area sandwiched between the innermost thread-like elastic member and an outermost thread-like elastic member in the longitudinal direction.SELECTED DRAWING: Figure 6COPYRIGHT: (C)2016,JPO&INPIT【課題】おむつの幅方向の中心と着用者の体の中心との位置合わせが容易となるおむつを提供する。【解決手段】長手方向の背側の端部には、幅方向に沿って複数の糸状弾性部材が設けられており、糸状弾性部材よりも長手方向の内側の部分には吸収性コアが存在しており、長手方向の最も内側の糸状弾性部材と吸収性コアとの間の部分は非存在部分とされており、本体部には幅方向に離間した一対の立体ギャザー形成部が長手方向に沿って設けられており、立体ギャザー形成部は、起立不能な基端部と、基端部を支点として厚さ方向の肌側に起立可能な起立部とを有し、起立部の長手方向の端部には、当該端部を本体部に重ねた状態で固定する固定部が形成されており、固定部の長手方向の最も内側にある固定端は非存在部分に位置し、固定部は長手方向の最も内側の糸状弾性部材と最も外側の糸状弾性部材とに挟まれている領域に設けられている吸収性物品。【選択図】図6
