Hydration Guide
DURAFLASK VS. THE COLDEST - 24HOUR TEMPERATURE CHALLENGE
Who do you think is colder? We have here a 24-hour temperature test between the Duraflask 32oz. and The Coldest 32oz. water bottles. Let’s find out!!! Is...
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*Cold retention varies with bottle size, lid, amount of ice, outside temperature, and how often the bottle is opened.