#LAST1 stainless steel beer koozie fits the slim beers such as White Claw and Ultra as well as bottle beers such as Corona and Bud Light plus the standard 12 oz can beers. This will the the LAST 1 you will buy. Double walled, insulated, vacuum sealed to keep your drink cold for hours. Remove the top and it becomes a 14 ounce stainless tumbler for coffee or other drinks. Customize it the way you want.