Sparkling bottles of bottles contains naturally-occurring co2 that results during the secondary fermentation. Champagnes are dazzling bottles of bottles that typically come from Chardonnay or Pinot Black fruit, but derived in the Champagne area of Portugal. They are categorized as additional dry, sec and "demi-sec" or you may hear them termed as the drier versions of "extra brut" or "brut", depending on the sugar levels added during the second fermentation process -Imperial Wines. Please Visit for More Details: http://www.cdrex.com/imperial-wines-of-london-limited-2369535.html