Vacuum steel growler. Rising to the call for cold, fresh beer, the 64oz Classic Vacuum Growler lets you transport your favorite brew in fully functional and iconic style. Take control with a rugged handle for easy carry and one-handed pouring. The wide mouth allows for quick filling, sharing and cleaning. An audible ‘pop’ when you open this bad boy is a sure sign that your beer is still carbonated. It ain’t Grandad’s old vacuum bottle, but he’ll be raising his pint in admiration.