The nonic glass has a wide opening that allows a lot of the beer’s aroma to dissipate. But that design also makes it easy to chug a pint (~19 ounces in the UK and 16 ounces in the US).

it's easy to tell that the pitcher towers over the usual kinds of beer glasses. How many beers can you pour out of this pitcher? A large pitcher is 60 ounces in volume, and a pint glass is 16 ...