Made out of Laminated Open Cell Foam. 3mm collapsible can coolers, folds flat for easy storage. Holds most 12-16 oz. cans, longnecks, and water bottles. This can cooler is perfect for keeping your beverages cold during outdoor events, picnics, or parties. Its lightweight design makes it easy to transport, while its collapsible feature allows for convenient storage. A practical promotional item for any beverage-related business.