YETI Rambler Colster Tall Boy for Tall Boy CansOur 473 ml 16 oz. size is a perfect fit for bigger cans, keeping the last sips as good as the first. Our new Load and Lock Gasket requires an easy quarter turn to secure your drink in place. And just like the original, its no sweat design, double wall vacuum insulation is how your drink stays icy cold, so you can enjoy a cold craft brew even when the suns blazing.