Beer Energy Drink or Tea Can Insulators 24 ounce Navy Blue (Set of 4) by Winking Owl Keeps your 24 oz beer or energy drink colder LONGER Pack of 4 Navy Blue Coolies Collapsable, so can fold up easily in purse or even your Pocket! NO GIANT LOGOS. We are advertised enough to, aren't we? Tired of Cold hands while holding your drink? These bottle coolies keep your drinks cold longer and NOT your hands!