Size: 29 cm (can be cut) Material: magnetic rubber Weight: L Size: 96g Package includes: 2 pairs x insoles The sole is made of plastic, comfortable and durable. They have 8 magnets specially placed on the sole to reach the most important part of the foot. The unique magnetic foot massage therapy is used to provide you with foot massage and relieve fatigue. Magnetic therapy massages the sole. The position of the magnet depends on the area of acupuncture and foot reflection. They stimulate the pressure points of the feet, which will naturally increase the pain and discomfort in daily life. Reflective acupoint massage fights fatigue by applying magnetic fields to certain reflex areas. This improves blood circulation and health. The magnetic therapy insole has breathability and antiperspiration, which can keep your feet cool and dry through 250 air holes and improve your feet 'health. The size of the insole allows you to cut the insole with scissors to match the shoes and place it in each pair of shoes.