1.Silicone seal ring. 2.Best quality. 3.Water&air proof, & durable. 4.Any colors available. 5.Customized is welcome. ... us with different materials,like rubber ,silicone,plastic.2:Oil,air,water and other liquids cannot be leaked with our silicone seal ... 's can's,oil drum's,High-pressure cooker's,water tap's,dinner pail's and so on their sealing ...