... . * Absorb the shock impact and prevent callous and metatarsal pain. O0-013 Silicone Metatarsal Pad1 Pair Per Packl Ideal for protection of ... Non-allergic for skin, odor free, and washing easily.The metatarsal pad is made of molded medical grade silicone. Ideal for ... protection of metatarsal head and relieve the painful from friction or callous. The ...