Tec is the ideal closure both for structured whites and for full-bodied reds, designed to age over a period of years before expressing their full aromatic complexity. It is made of a synthetic material with a compact cellular structure, which ensures uniform behaviour from one bottle to the next. This cellular structure, however, does not come into contact with the wine, as the base of the closure is sealed, which minimizes absorption of the aromatic components. It has an excellent gas-tight seal and provides one of the highest-performance O2 barriers in its category, protecting the wine against oxidation phenomena. The durability of its performance is ensured by the resilience of its radial force.