PROBLEM TO BE SOLVED: To provide a warming device having such a structure that a mask body can be fitted properly to the periphery of eyes of a face, regardless of a user's face size.SOLUTION: A warming device 100 includes a mask body 10 for covering both eyes, a heating element 20 provided on the mask body 10, and a pair of ear hook parts 30 each one end of which is fixed to both ends in a width direction of the mask body 10, and hooked on ears. Each of the pair of ear hook parts 30 has an ear hooking opening 32 for hooking the ear hook part 30 on the ear. The warming device 100 further includes a distance adjustment part (for example, a junction 33 between the ear hook part 30 and the mask body 10) capable of adjusting a distance L1 between both ends of the pair of ear hooking openings 32 when spreading flatly the warming device 100.SELECTED DRAWING: Figure 3COPYRIGHT: (C)2018,JPO&INPIT【課題】使用者の顔サイズにかかわらずマスク本体を顔の目周りに対して適度にフィットさせることが可能な構造の温熱具を提供する。【解決手段】温熱具１００は、両目を覆うマスク本体１０と、マスク本体１０に設けられた発熱体２０と、マスク本体１０の横幅方向における両端部に対して各々の一端部が固定されていて耳に掛けられる一対の耳掛け部３０と、を備える。一対の耳掛け部３０の各々は、当該耳掛け部３０を耳に掛けるための耳掛け用開口３２を有する。温熱具１００は、当該温熱具１００を平坦に広げたときにおける一対の耳掛け用開口３２の両端間の距離Ｌ１を調節可能とさせる距離調節部（例えば、耳掛け部３０とマスク本体１０との接合部３３）を備える。【選択図】図３
