Silicon Foot Arch Support/ Massage Product Description a: Light weight, soft and durable, non-allergic, non-toxic silicon provides the foot arch with continuous comfort and support b: Foot arch support can be used especially for patients with flat-feet (hyperpronated feet) to relieve foot muscle strain. c: It can massage the sole of the foot to relieve muscle soreness and to improve blood circulation. d: Point massaging presses the feets acupressure or trigger points. Stretches foot muscle e: It is recommended by doctor without any side effect. Model: EUNON-K-005( double, including left and right) Net Weight: 48g Capacity: 1000pcs/day