PROBLEM TO BE SOLVED: To solve the problem that, while there are fuel injection type body warmers which are repeatedly usable but expensive, disposable body warmers which are inexpensive but have limitations in using time and using environments, hot water injection type hot water bottles which require time and labor for use, have the limited using time of about 8 hours and have the risk of a burn, and pillows for which it is difficult to find the one really suited to a user while keeping sound sleep, rest and health, they are cleaned up only as garbage when they are not needed anymore.SOLUTION: By forming body warmers, hot water bottles, and pillows by utilizing natural objects useful for humans and plants, there are provided: the body warmers which, by utilizing the heat generation and perspiration of a human body, are usable for a long period of time, have free using parts and environments, and are to be fertilizers after use the hot water bottles which are usable for a long period of time without time and labor, are safe and are to be fertilizers after use and the pillows which help the sound sleep and loosen stiffness of the body by being changed into a shape corresponding to the user and continuously used, and are to be fertilizers after use.COPYRIGHT: (C)2013,JPO&INPIT【課題】繰り返し使えるが高価な燃料注入式カイロ、安価だが使用時間や使用環境に制限がある使い捨てカイロ、使う手間がかかり使用時間も8時間程度でやけどの心配のあるお湯注入式の湯たんぽ、安眠・休息・健康を保ちつつ使用者に本当にあったものが探しにくい枕、このような現状の中、それらが不要になった時には、ゴミとしてしか処分されていなかった。【解決手段】人や植物に有用な自然物を利用してカイロ・湯たんぽ・枕を作ることで、人体の発熱や発汗を利用して、長期間使えて使用部位や環境が自由で使用後肥料となるカイロと、手間なく長期間使えて安全な使用後肥料となる湯たんぽと、使用者に対応した形に変化し継続して使用することで安眠を助け、体のコリをほぐして、使用後には肥料となる枕としている。【選択図】図1