Made from 3mm Neoprene and fits a 12 oz can perfectly. Great for soda, beer, juice and other canned beverages, our custom neoprene koozies will keep your hands warm and dry while your drinks maintain a cold temperature. Made with the well-known wetsuit material, these can coolers feature 3mm walls, fit up to 12 oz. cans, are sewn together for a secure hold.