How does Softsole Far infrared Tourmaline Acupressure Massage Foot Pain Relief Orthotic Insoles works? Far Infrared (FIR) is a type of radiation that emits heat and energy. This technology has been used in various applications, including medical devices and wellness products. Foot problems are prevalent and can significantly affect an individual's quality of life. The Tourmaline mineral in the insole, is believed to generate negative ions that promote healing and balance in the body. When combined with acupressure therapy, the insole can improve blood circulation, reduce pain and inflammation, and provide overall foot comfort. The Far Infrared Tourmaline Acupressure Therapy Insole combines these two techniques(FIR&,Acupressure Therapy) providing a comprehensive solution for foot health. The insole is designed with strategically placed acupoints that target various areas of the foot, providing a customized acupressure experience. The FIR technology and Tourmaline mineral work together to generate heat, increase blood flow, and stimulate healing in the foot. And because of that, you can be assured that you get the full reflexology benefits of acupressure and far infrared therapy simultaneously. Softsole Far infrared Tourmaline Acupressure Massage Foot Pain Relief Orthotic Insoles! OUR GUARANTEE We are confident that we offer some of the best products on the market. Therefore, we provide a 30-day guarantee. We will make every effort to ensure that you are completely satisfied with your purchase. Online shopping can seem daunting. We want you to know that there is absolutely zero risk of purchasing something. We won't make it difficult if you don't love it. We offer email and ticket support 24 hours a day, 7 days a week. If you require assistance, please contact us. Please contact customer service if you have any problems with your purchase.