[Challenge] Is to perform a provision of a cold tool can be fitted around the neck, the invention is intended to be a cold tool wearing feeling when worn is extremely high, unobtrusive, thereby providing a cold tool can be easily mounted . [MEANS FOR SOLVING PROBLEMS] A cold storage device to be mounted around the neck consisting of a consolidated tool for continuously provided detachably and cold instrument body having a substantially strip that houses the water-absorbing polymer, the end of the cold instrument main body, the cold tool body at least as a basic configuration width in the short direction of the strip is shorter than the length consisting of a height of the neck, at least, and a cold tool length in the longitudinal direction of the strip of cold tool body are slightly shorter than the length of the neck. [Selection Figure Figure 3【課題】本発明は、首回りに装着できる保冷具の提供を行うものであり、装着時の装着感が極めて高く、邪魔にならない保冷具であって、簡単に装着できる保冷具の提供を行うものである。【解決手段】基本構成として少なくとも吸水ポリマーを収納する略帯状の保冷具本体と、保冷具本体の端部に着脱自在に連設する連結具とからなる首回りに装着する保冷具であって、保冷具本体の帯状の短手方向の幅が少なくとも首の高さからなる長さより短く、保冷具本体の帯状の長手方向の長さが首回りの長さよりやや短いものである保冷具からなる。【選択図】 図3
