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. The warming device 100 further includes an easily breakable part (for example, a perforation 41) extending inward from the upper edge of the warming device 100.SELECTED DRAWING: Figure 1COPYRIGHT: (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やすい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、を備える温熱具１００であって、当該温熱具１００の上縁から内向きに延びている易破断部（例えば、ミシン目４１）を備えている。【選択図】図１
