Nomacorcs® are made by a unique, patented, co-extrusion process that binds the interior and exterior sections of the cork by heat adhesion. Extrusion molding is a continuous process that provides a very consistent quality. Nomacorc® is simply a better closure because its small, uniform, closed cell structure creates a better barrier from oxygen and preserves the quality of your wine. The corks are printed with an attractive Spanish grape design. We recommend the use of any hand or floor corker with these corks.