The present invention provides absorbent articles for pet animals which is excellent in fit to the body of the end of the absorbent core . Further comprising a ventral elastic member 35 extending in the transverse direction X in A ventral region 11 , the absorbent core 51 , the belly of the opening of the tail 6 of the companion animal 5 located in the middle region 13 is inserted only the side area 11 side are arranged , and a first end 51a located on the ventral region 11 side , the first end 51a of the absorbent core 51 is superimposed at the ventral side elastic member 35 in a plan view there . [ Selection Figure Figure 2【課題】吸収性コアの端部の身体に対するフィット性に優れた愛玩動物用の吸収性物品の提供。【解決手段】腹側域11において横方向Xへ延びる腹側弾性体35をさらに有し、吸収性コア51は、中間域13に位置する愛玩動物5の尾部6が挿通される開口よりも腹側域11側にのみ配置されており、腹側域11側に位置する第1端部51aを有し、吸収性コア51の第1端部51aが腹側弾性体35と平面視において重なっている。【選択図】図2
