Packaging materials, other than wrapping; non-metallic seals; sealing materials made of non-metallic materials; adhesive seals, gaskets, and sealing materials for use in packaging, container closures, inner seals, and caps; non-metal seals, gaskets, and sealing materials for use in packaging, container closures, inner seals, and caps; laminates of plastic and paper for use in packaging, container closures, inner seals, and caps; non-metal inner seals and gaskets for packaging, container closures, and caps; seals comprised of foam and adhesive for use in packaging, container closures, inner seals, and caps; sheets and adhesive materials used for protection covering and sealing purposes; adhesive plastic laminated sheets primarily comprised of plastic but also containing metal foils, all used as sealing liners for container closures and caps