Is the copper coin seven-star insole easy to use

It works. Copper coin seven-star insole can prevent odor and beriberi. Copper coin seven-star insole works Used to pad shoes, but also very breathable. Basketball players like to wear this kind of insole. Copper coin seven-star insole is suitable for both men and women, which is beneficial to human body, stimulates acupuncture points, makes people feel very comfortable and relieves fatigue.