Asobu Stainless Steel King Beer Double Walled Vacuum Insulated Wide Mouth Beer Growler 64 Ounces (black) The coolest Stainless steel beer growler just got a bit cooler! With the double wall Vacuum insulated you never have to worry about your beer going flat again or warm again This 64 ounce virtually indestructible flask has a wide mouth opening for easy access to your favorite carbonated beer. The screw on lid ensures the beer is nice and tight inside your beautiful bottle The ideal gift for Beer lovers or keep one for yourself for outdoor parties barbecues and all your sports events. 100% bpa free and Dishwasher safe and you can rest assure with our lifetime guarantee