Yeti Rambler Colster 12oz Can Insulator Whether relaxing on the boat or kicking it back at camp, the Yeti Colster will keep your favorite beverages cold. The Yeti Rambler Colster is a can insulator with double-wall vacuum insulation that will keep classic 12 oz. cans and bottles chilled. The Rambler 12oz Colster features a newly evolved Load-and-Lock gasket. With just a quarter-turn, the gasket secures your can in place. Available in plain stainless steel or with a Duracoat color, this colster i