A steam warmer that can be directly attached to the neck, shoulders, waist, stomach and other parts to keep warm. The steam warms your back and improves blood circulation for a pleasant mind and body. Relieves stiff shoulders and back pain. ●A comfortable temperature of about 40°C lasts for 5-8 hours. ●The steam is gentle on the skin. Do not get wet. ●Does not affect the appearance of clothes ●Does not contain fragrance, can be used easily even when going out ●Applied to the stomach, it can stimulate the gastrointestinal function. ● Function: warming and heating