Home Learn Double magnum Decanter Staff November 11, 2010 Bottle of 3 litres equivalent to 4 normal (75cl) bottles. In Champagne this size is called jeroboam. Written by Latest Wine News Hugh Johnson: ‘We’re getting bolder with bubbles from Italy, Spain, Australia, NZ, the Cape…’ History quiz: 10 questions on wine through the ages The ethical drinker: ‘Wines and people that made me stop and think’ How Bordeaux 2016 surprised winemakers to compete with all-time greats Tickets on sale! Decanter Fine Wine Encounter New York returns to the top of Manhattan