PROBLEM TO BE SOLVED: To prevent urine from leaking at the end part of a sheet.SOLUTION: This absorptive sheet for a pet 1 having a liquid permeable surface sheet 2, a liquid impermeable rear surface sheet 3 and an absorbent installed between the surface sheet 2 and rear surface sheet 3 is provided by having folded back parts 4 in which the circumferential edge of the absorptive sheet for the pet 1 is folded back to the surface sheet 2 side, bonded parts 5 obtained by bonding the opposing surfaces of the folded back parts 4 opposing with each other, and non-bonded parts 6 without bonding the opposing surfaces of the folded back parts 4 opposing with each other, at the bonded parts 5, installing a rubber thread 7 at the staring point of the folding back of the folded back parts 4 along the longitudinal direction of the folded back parts 4, and at the non-bonded parts 6, installing another rubber thread 8 at the tip end of the folded back parts 4 along the longitudinal direction of the folded back parts 4.COPYRIGHT: (C)2013,JPO&INPIT【課題】シートの端部から尿が漏出するのを防ぐ。【解決手段】透液性の表面シート2と、不透液性の裏面シート3と、表面シート2と裏面シート3との間に介装される吸収体と、を有するペット用吸収性シート1において、ペット用吸収性シート1の周縁が表面シート2側に折り返された折り返し部4と、折り返し部4の対向する対向面同士が接着されている接着部5と、折り返し部4の対向する対向面同士が接着されていない非接着部6と、を有し、接着部5には、折り返し部4の折り返し起点に折り返し部4の長手方向に沿って糸ゴム7が設けられており、非接着部6には、折り返し部4の先端に折り返し部4の長手方向に沿って糸ゴム8が設けられている。【選択図】図1