Maruka hot water bottle with old tradition and new technology. This heater is a traditional heater that has already been used in the original Japanese era. Hot water bottle is a "cold foot heat" type heater. Does not dry on the skin and is gentle on the body. The bottom is flat and stable so it is easy to pour hot water. In addition, it can be heated with an induction cooking heater; The waveform of the surface of the hot water bottle is slightly wider to make the heating area wider. To maintain durability; Maruka's hot water bottle has a "post" inside that prevents dents when the temperature drops. Comes with spare packing and bag. In China, the temperature of hot water is gentle as a mother's body temperature, and the comfort of a tampo is known as the "tampo" name. It is said to be a hot water mop (yutamo) after it was introduced to Japan.