【Features】 ● Stimulates the soles of your feet with every step, and the magnets help to reduce foot fatigue. ● Designed to be ideal for casual shoes and sneakers. 【How to Use】 ● Adjust the position to match the arch of your foot. ※ May not fit depending on the shape of the shoe. 【Precautions for Use】 ● This product is not a medical device. ● Due to the shape that stimulates the arch of the foot, please start by using it for a short period of time. ※ However, discontinue use if you feel any pain. ※ New stock item with minor scratches and dirt.