Advantages1.Provide factory price.2.Low profile pad prevents from shifting pressure on arch or metatarsal areas while walking.3.Anti-sliding heel craddle maximizes support and comfort.4.Velvet for additional softness and cozy sensation.5.Material:silicone6.Good elasticity,Website:://.siliconeproductsextoy.com,reusable and durable7.all sizes and shapes are available8.OEM service are availableUnit price:US $ 1 - 2 / Piece