< Topic >Structure being relatively simple, cold reserving of long haul iterates possibility, at the same time and use offers the possible gentle insulated device.SolutionsTo be made making use of the sheet material 11 which possesses the heat insulation where the surface is covered with cloth 19, the gentle insulated device 10 which possesses with the cold insulator which can be taken in and out to the flat bag body 13 where opening 12 was formed to part and flat bag body 13, the cold insulator piling up and the 1st and 2nd insulated tool to have 16 which is laid out and 17, at temperature of the freezer storage warehouse of the cold storage for home antifreezing Characteristic gel 27 of antifreeze to be enclosed by 1st insulated tool 16 inside 1st chest 26, in 2nd insulated tool 17 freezer storage of the cold storage for homeThe freezing Characteristic gel 29 which freezes at temperature of the warehouse is enclosed inside 2nd chest 28, repeats 1st insulated tool 16 on 2nd insulated tool 17.< Choice figure >Drawing 1【課題】構造が比較的簡単で長時間の保冷が可能、かつ繰り返し使用が可能な緩保冷装置を提供する。【解決手段】表面が布地19で覆われた断熱性を有するシート材11を用いて造られ、一部に開口部12が形成された偏平状袋体13と、偏平状袋体13に出し入れできる保冷材とを有する緩保冷装置10であって、保冷材は重ねて配置される第1、第2の保冷具16、17を有し、第1の保冷具16には家庭用冷蔵庫の冷凍庫の温度では不凍の不凍性ゲル27が第1の密閉容器26内に収納され、第2の保冷具17には家庭用冷蔵庫の冷凍庫の温度で凍る凍結性ゲル29が第2の密閉容器28内に収納され、第2の保冷具17の上に第1の保冷具16を重ねている。【選択図】図1