The present invention provides one kind, has the absorbent commodity for the absorber that can follow bodyside.Auxiliary mat 3 of the invention is to be used together with base absorption body 2 substantially in the gasket of lengthwise shape, and at least have: the gasket side absorption portion 30 of gasket side absorbed layer substantially in elongate shape； The surface sheets 33 of the liquid permeability surface side thin slice in the face configured in the one side side of thickness direction in gasket side absorption portion 30； The inside thin slice 34 of the inside side thin slice in the face configured in thickness direction another party side in gasket side absorption portion 30； And configuration is in gasket side fastener 37a, 37b of the locking means of another surface side in gasket side absorption portion 30.本發明提供一種，具備可追隨身體側之吸收體的吸收性物品。本發明的輔助墊3是與基礎吸收體2一起使用的大致呈縱長狀的墊片，且至少具備有：大致呈細長狀的墊片側吸收層之墊片側吸收部30；配置在墊片側吸收部30的厚度方向一方側的面的透液性表面側薄片之表面薄片33；配置在墊片側吸收部30的厚度方向另一方側的面的裏面側薄片之裏面薄片34；以及配置在墊片側吸收部30另一面側的卡止手段之墊片側卡止部37a、37b。
