Product Material: leather + memory cotton Size: Total length is about 29CM (35-48 yards), length can be cut Magnet: 18 Colors: White, Black Quantity: 2 pairs Package content: 2 pairs * insole 1. MAGNETIC THERAPY MASSAGE: The magnetic insole is equipped with 18 important magnetic massage areas. With the help of shock-absorbing magnet technology, the reflex points are stimulated and the raised areas of the insole are massaged to provide support for the arch of the foot 2. MASSAGE OF YOUR FEET: The magnetic insole is made of leather + memory cotton material and is well breathable and comfortable. Making your feet sweat is not easy, it can prevent foot odor and is easy to clean. 3. WEIGHT LOSS IS GOOD FOR HEALTH: foot massage acupoint massage points promote blood circulation, can achieve weight loss, long-term use, rapid weight loss, relief from arthritis and plantar fasciitis 4. UNISEX AND CUTTABLE SIZE - Massage Soles There are cuttable sizes that are suitable for both men and women. You can cut the insoles to match your shoes according to the previous insoles 5. REMINDER: The magnetic pad can be cleaned and reused. Note: Since it is a massage insole, foreign bodies can form on the sole when it is used for the first time. But after a while you will feel the soles of your feet relax