A molding process for manufacturing a tubular molded article includes the steps of (a) preparing a mold that defines a mold cavity and that is formed with at least a protrusion protruding into the mold cavity, (b) placing a supporting member in the mold cavity, (c) introducing a first molding material into the mold cavity around the supporting member so as to form a first molded part around the supporting member and a decorating indentation in the first molded part, and (d) filling the decorating indentation in the first molded part with a second molding material so as to form a second molded part therein.