< Topic >Cleaning of the duckboard of the rest room for the pet which is necessary to the case where is raised pet at such as apartment, the wash fountain of the duckboard of the rest room for the pet which it tries to be able to do easily and cleanly without putting annoyance on the neighbor is offered.SolutionsContainer itself section 1, seeing with the top view, in almost rectangular condition in the box container of the upper aperture, the opening 3 duckboard 4 of the rest room for the pet has taking in and out possible size from the upper part, two where the mataso opposes edge strips 5,5, the underside of duckboard 4 this without touching at least in the inside base 7 of container itself section 1, bearing possibly, it forms on the inclined condition surface where bottom approaching extent interval of the lower half section becomes narrow at least, it forms the section 9 for guttation which at the same time extends at least to one corner of rim profit 3of a the above-mentioned opening 3, to the side.< Choice figure >Drawing 3【課題】マンション等でペットを飼う場合に必要なペット用トイレの簀の子の洗浄を、隣人に迷惑をかけることなく容易かつ清潔に行えるようにするペット用トイレの簀の子の洗浄容器を提供する。【解決手段】容器本体部1が、平面図で見てほぼ矩形状で上部開口の箱型容器で、その開口部3は、ペット用トイレの簀の子4を上方から出し入れ可能な大きさを有し、またその対向する少なくとも二側面5,5を、簀の子4の下面が容器本体部1の内底面7に当接せずに支承可能に、少なくとも下半部の底寄りほど間隔が狭まる傾斜状面に形成し、かつ上記開口部3の外周得3aの少なくとも1つの角部に、側方へ突き出た排水用部9を形成する。【選択図】図3