1Multiple magnet design, safe and ecofriendly, odorless, strong magnetic, good therapy effect. 2Dense vents, more elastic material, good shock absorption and pressure relief, fit the foot. 3The magnets and raised parts stimulate the soles of the feet and massage the acupoints, relieve mild to moderate foot discomfort. 4The raised area can support the arch of the foot, vents can ventilate to keep your feet cool. 5These magnets emit magnetic waves and weaken the fat cells in your body. Help increase blood circulation in the feet, relieve pain.