A MAGNUM is a large wine bottle that holds 1.5 liters of wine, which is equivalent to two standard bottles. A FLAGON is also a large wine bottle, but it holds up to 4.5 liters of wine, which is equivalent to six standard bottles. A METHUSELAH is an even larger wine bottle, holding 6 liters of wine, which is equivalent to eight standard bottles. A VAT is the largest type of wine bottle, holding up to 22.5 liters of wine, which is equivalent to thirty standard bottles. Finally, a TUN is a large cask or barrel that holds up to 225 liters of wine, which is equivalent to 300 standard bottles.