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Coffee Joulies Cool Coffee, Maintain Perfect Temperature

Coffee Joulies have graduated from Kickstarter project to an actual product available from ThinkGeek. The stainless steel Joulies contain a phase change material that cools down excessively hot coffee and melts at 140 degrees Fahrenheit (which is considered the perfect coffee drinking temperature), maintaining that temperature for hours when used with a thermal mug.

One Joulie is used for each 4oz of coffee, and a total of five are included with each purchase.

Product Page: ($50)

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