Split Bottles. A split bottle is a quarter of a standard 750 ml bottle of wine, or 187.5 ml. Though you can find a few more expensive bottles of wine sold in splits, this size is mostly used for Champagne and sparkling wine.These small bottles measure about 2 and a half inches wide and stand around seven and a half inches tall.o begin, let's start with the smallest bottle of wine, the split. A split bottle is a quarter of a standard 750 ml bottle of wine, or 187.5 ml. Though you can find a few more expensive bottles of wine sold in splits, this size is mostly used for Champagne and sparkling wine.