Take a growler of your favorite brew on a picnic and keep it cool in this insulated cooler with adjustable strap, sporting our "Life is Short, Drink Good Beer" design. Holds standard 64 oz. glass growlers as well as most stainless steel hydroflask growlers. Zip top with a front sleeve pocket to hold one of our credit card bottle openers. Made of sturdy backpack material (600D polyester) with 6mm (1/4 inch) foam insulation and industrial foil liner. Inside diameter is 5", height 11". Use ice packs only (not ice) for extra long cooling.