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 François Pinault unveils Domaine des Cabottes with prestigious Côte d’Or vineyards 5 expert tips on how to buy wine like a pro Cristina Mercuri: Wines on the edge – How Etna is redefining elegance Can mountain ageing take Valtellina’s wines to new heights? The charm of wine labels: Do they matter more than what’s inside?