NOMACORC 9 X 1 1/2 SELECT 900 SERIES CORKS 100/BAGNomacorc Select Series is a collection of high performance co extruded wine closures designed to meet the needs of discriminating winemakers and the unique wines they create. Select Series closures will provide optimum post bottling oxygen management. Select Series is backed by the Nomacorc Winemaker Promise, a commitment of consistent oxygen control performance, quality assurance, and closures free of TCA.