Features: Material:composite fabric The principle of fever:magnet heating Description: 1.Three-dimensional stitching, fit the ankle, perforated fabric, comfortable and not stuffy. 2.The length can be adjusted freely for winter ankles and foot treatments.Such as bone hyperplasia,cervical spondylopathy,joint pain and other symptoms of hyperthermia therapy. 3.Can effectively improve blood circulation, promote metabolism, and clear the meridians, enhance immunity. 4.Applicable to bone hyperplasia, ankle pain, joint pain and other symptoms of hyperthermia therapy. 5.With elastic belt, safe comfortable to wear Package included: 1 pair of self-heating ankle pad Notes: 1.The effect is better when it is exposed to sunlight every other period of time. 2. Due to the difference between the different displayshe and shooting angle, the picture may not reflect the actual color and all details of the item. Thank you!