As its name suggests, these are specially designed to seal stoppers Champagne wines, sparkling wines, sparkling (carbonated) and cider.
At the top, which will be in contact with the wine, is applied one, two or three discs of natural cork selected, assuming the designations 0 +1, 0 +2 and 0 +3, respectively.
The bodies of agglomerated cork are produced using molding technology, which allows the individual stoppers better withstand the high pressures to which they are subjected (6 bar).
Thus, this ensures the preservation of freshness and bouquet of these types of wine for periods longer extended.