... to clean,durable,tasteless 2.flexible ,easy to remove and useful4.Material:made of 100% food grade silicone(FDA,SGS..)5.Different ... .Various sizes, colors(such as Clear, White, Red, Blue and so on)and material are optional. 10.Silicone,Viton,Neoprene,Hypalon, plastic products ... ,silicone parts,spigot,rubber,rubber processing parts,rubber silicone parts raw material