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 Amber Gardner: ‘We are seeing a shift back towards the known, the familiar and, ultimately, the comforting’ Château Rayas: The enduring winemaking mysteries behind this Rhône icon How a 200% tariff on French wine could impact the US market Andrew Jefford critiques the ‘NoLo’ trend sweeping the wine world Katherine Cole: ‘Is the real question whether wine regions could shield the rest of us from wildfires?’