1)FDA rubber material 2)supiror quality with factory price 3)nontoxic 4)good sealing effect 5)anti aging Custom made FDA rubber stopper:1.Main material: silicone2.Performance:rebound resistance, tear resistance, oxygen resistance, ozone resistance,weathering resistance, flame resistance, low temperature resistance, and water resistance3.Application:Used in auto area of terminals4.Your samples,drawings, and ideas are welcomed.5.OEM orders are also accepted.6.Different kinds and quantities are available.7.Customized specifications and shapes are accepted.8.Packing details:plastic bags inside,carton boxes outside9.Hardness:20~90 shore A10.Temperature range:-43~210 °C We are a leading factory of custom molded rubber parts in China.We have the capability to create custom molded rubber products that aren't found on any shelf-they are specifically designed and engineered to your specific needs and application.Thanks for your consideration.