12 PACK 500 ml (16.9 oz) Amber Belgian Syle / Champagne Bottles, Thicker GlassThese 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. 3 Cases will take 4. 75 gallons of beer, roughly the amount needed for a 5 gallon batch. Bottle Specifications: Capacity: 500 ml Weight: 0. 88 lb Height: 10. 12 inches Outside Diameter: 2. 87 inches Pressure Rating: Up to 4