Silicone sealing ring is  star and hot sale product of our company.The product is made of food grade silicone material,through the United States FDA, EU CE certification, safety and environmental protection. Why choose silicone? First.Silicone is environmental protection, non-toxic, tasteless, and good elasticity; Second. No distortion, wearable and good heat resistance,long service life. Third.good texture,smooth appearance,real green environmental protection products.