FeaturesAbsorbs the radiation of the human body, emits external infrared rays, improves microcirculation, improves muscle activity and promotes metabolism.Suitable for cervical spondylosis, scapulohumeral periarthritis, bone hyperplasia, lumbalem hernia of the intervertebral disc, rheumatoid arthritis, fall damage, waist and leg pain, etc.Made of infrared nanoceramic powder, plaster, silicone paper and other materials, it is safe and natural, comfortable to operate.Suitable for different people such as athletes, elderly, dancers, patients with joint pain, office workers, etc.80 pieces pain relief patches are available, meet your needs, are lightweight and compact, suitable for home and travel use.Pack list:Pain Relief Heat Patch*40