An absorbent article (1) comprises an absorbent body (4), and an exterior back sheet (12) disposed further in the outward direction than the absorbent body (4). An identification information writing area (30) for writing identification information indicating a wearer is provided to the surface (12A) on the outward side of the exterior back sheet (12). The identification information writing area (30) is configured so that the material, color, and/or design is different from the exterior back sheet (12) surrounding the identification information writing area (30).本發明之課題為提供一種吸收性物品,其係在購買後,可因應須要加上穿用者之名字等,用以識別穿用者的識別資訊。本發明之解決手段的吸收性物品(1)係具備:吸收體(4)、以及被配置在比吸收體更為外側方向的外裝背面薄片(12)。在外裝背面薄片(12)之外側方向側的面(12A),係設有用來記入標示穿用者之識別資訊的識別資訊記入部(30)。識別資訊記入部的材質、色彩或圖案中,至少其中有一項是與識別資訊記入部之周圍的外裝薄片不同。1‧‧‧吸收性物品4‧‧‧吸收體5A‧‧‧前腿圍伸縮性構件5B‧‧‧後腿圍伸縮性構件10A‧‧‧吸收性本體10B‧‧‧外裝體13A‧‧‧前腰圍伸縮性構件13B‧‧‧後腰圍伸縮性構件14A‧‧‧前身體周圍伸縮性構件14B‧‧‧後身體周圍伸縮性構件21‧‧‧腰圍開口22‧‧‧腿圍開口30‧‧‧識別資訊記入部
