Enjoy your drinks cool by the pool or at a perfect dinner. And you don’t need a freezer or a fridge to keep them cool with the awarded Naturally Cooling Ceramic barware. Just soak the Naturally Cooling Ceramics in water for a minute or two before use. It will keep content cool for two to four hours. You can also create your very own design or write a personal message on the side of the Ceramics with a chalk.