Everything is more fun with Koozie® can coolers! And this style does double duty with its elastic sides, holding both traditional 12 oz. cans and 12 oz. slim cans. It folds flat to fit in your pocket or bag, so wherever you are, your drink will stay cooler for longer. After all, the Koozie® brand is The Original Chill™! Neoprene thickness at 2.5mm.