Our BOSS 64 oz insulated growler is the perfect option for keeping up to half a gallon of your favorite beverages hot or cold. These large growlers feature signature TriMax® Triple vacuum insulation combined with a copper inner layer to keep beverages cold for 150 hours or hot for24 hours. The included infuser makes it easy to flavor your drinks and allows you to easily steep your tea or cold brew coffee. For a crowd pleaser, pour in chilled red or white wine and fill the infuser with wedges of citrus fruit for a refreshing sangria that will stay cold all day and all night. However you choose to use your new EcoVessel BOSS growler, we know you will love the high-quality insulation and huge beverage capacity.