Provided is a cleaner disposable absorbent article equipped with an extending tape for post-treatment. An absorbent article (10) comprises: a front-rear direction (L)； a widthwise direction (W) orthogonal to the front-rear direction (L)； a rear surface sheet (22) facing a side opposite the skin of a wearer； and a tape member (60) for post-treatment, the tape member (60) being extensible in a stretching direction. The tape member (60) has a fixed portion (62) fixed to the rear surface sheet (22), and a non-fixed portion (64) not fixed to the rear surface sheet (22). The tensile strength of the rear surface sheet (22) per width identical to the width of the fixed portion (62) in a direction orthogonal to the stretching direction is higher than the tensile force necessary to extend the length of the non-fixed portion (64) of the tape member (60) by a factor of 1.5.本發明提供一種吸收性物品，其具備可伸長的後處理用的帶片而能更清潔地廢棄。吸收性物品(10)具有：前後方向(L)、與前後方向(L)正交的寬度方向(W)、朝向與穿用者的肌膚相反側的背面薄片(22)、以及可朝延伸方向伸長的後處理用的帶片構件(60)。帶片構件(60)具有：固定在背面薄片(22)的固定部(62)，及未固定在背面薄片(22)的非固定部(64)。與延伸方向正交的方向中的與固定部(62)的寬度相同寬度的背面薄片(22)的拉伸強度，比為了使帶片構件(60)的非固定部(64)的長度伸長為1.5倍所必要的拉伸力更大。
