The 7-Gemstone pillow uses the concept of "Thermal Therapy", which is usually practiced by people promote health and wellness in the body.  Similar to traditional hot stone therapy or hot water bottles, it heats the body and relieves fatigue, soreness, stiffness and other discomforts.  In addition far infrared rays also work to promote metabolism and blood circulation as well. love your healthy & youthful life.
 
 
Styles:  Oval and B-Shape