70% Pinot Noir, 30% Chardonnay.  14 crus:  mainly Aÿ and Verzenay for the Pinot Noir, Cramant and Oger for the Chardonnay. 91% Grands crus and 9% Premier crus.
Exclusive use of the cuvee.  Fermented entirely in barrels.
 At Bollinger, only very high quality harvests become vintage: the very early harvest and fresh qualities of the year 2007 make this vintage exceptional.
Maturation 
Cellar aged for more than twice the time required by the appellation.
Sealed with a natural cork whilst ageing.
Dosage 
Low, 7 grams per liter.