Belgian or Sparkling style glass beer bottles,,,High pressure rating to withstand highly carbonated sours, Belgian-style beers, or sparkling wine,,,At 16.9 ounces, this is the perfect bottle size to pour a full pint glass,,,Three cases of 12 bottles are enough to package a 4.75 ...Belgian or Sparkling style glass beer bottles,,,High pressure rating to withstand highly carbonated sours, Belgian-style beers, or sparkling wine,,,At 16.9 ounces, this is the perfect bottle size to pour a full pint glass,,,Three cases of 12 bottles are enough to package a 4.75 gallons of finished beer,,,26mm crown cap finish,These high quality 500 ml (16.9 oz) Belgian / Champagne style bottles can be capped with standard crown caps (26mm). Thicker than standard 12 and 22 oz bottles. Ideal for lambics and other styles that have higher volumes of CO2.