This pair of magnetic insoles is a kind of foot care supply which combines both magnetic therapy and reflexology to stimulate reflex points and acupressure for improving the health and vitality. Suit for those who are busy with their work and have no time to do exercise. Features - Color: Black. - Material: EVA, lint and magnet. - Size S: About 25.5cm(Length), 8.2cm(Width). - Size M: About 27.5cm(Length), 9.1cm(Width). - Size L: About 30.5cm(Length), 9.5cm(Width). - and . - Stimulate your body for better blood circulation and metabolism. - The magnets are arranged according to the acupressure theory, it is suit for most people. - Magnetic insoles will help relieve fatigue and regain energy. - It can be cut to fit different foot types.