< Topic >Insulated tool for the neck of the pet which can lighten burden to the pet with heat, by cooling the neck is offered.SolutionsIt is insulated tool for the neck of the pet which consists of the cloth make, it can insert insulated medicine 3 in multiple pockets 2a and 2b which it possesses on the inside surface of computer 1 of doughnut condition. As between outer part surface and multiple pockets 2of a computer 1 and 2b, it has the insulated sheet 5 which, has adiabatic efficiency it lightens the fact that the cold air of insulated medicine 3 neutron leakage to the outside to the utmost, by the fact that it is transmitted effectively, it raises the insulated effect of the installation part of the pet to the inside direction, the effect of insulated maintenance of long haul is raised.< Choice figure >Drawing 1【課題】暑さによるペットへの負担を、首を冷やすことにより軽減をすることができるペットの首用保冷具を提供する。【解決手段】布製よりなるペットの首用保冷具であり、ドーナツ状の本体1の内側面に有する複数個のポケット2a,2bに保冷剤3を入れることができる。本体1の外側面と複数個のポケット2a,2bの間に、断熱効果のある保冷シート5を備え、保冷剤3の冷気が外面に漏れることを極力軽減し、内側方向へ効果的に伝わることで、ペットの装着部分の保冷効果を高めるとともに、長時間の保冷維持の効果を高める。【選択図】図1