1.Silicone seal ring. 2.Best quality. 3.Water&air proof, & durable. ... Customized is welcome. Flat Sealing Rings1:You could oder seal rings from us with different materials,like rubber ,silicone, ... be leaked with our silicone seal rings.3:Any size,thickness,color,type of ring gaskets we can make for ... sealing rings.5:Your any special requirements about the ring gaskets we can fulfill with.6:Available with ...