We’ve all had a cup of coffee burn our tongue or worst yet, we set it down and forget about it for far too long and it’s cold. But what if there was a way you could always have the perfect cup of coffee – in any cup you want? We carry a small bag of metal coffee beans in our bag just for that purpose. We were sent a set of Coffee Joulies, our secret weapon against cold coffee and burning our tongue.
Coffee Joulies are small, stainless-steel capsules containing a phase-change material; the capsules were designed to be placed in a cup of coffee in order to cool coffee that is too hot then slowly release the heat to keep the coffee warm. What does that mean? It means your coffee will reach that perfect 140 degree temperature and hold it for hours – even if you forget it on the counter. Joulies solve this problem by rapidly absorbing all that extra heat and storing it in the phase change material sealed inside the beans. They do this so well that your coffee is now safe to sip in under three minutes, reaches the perfect drinking temperature range in half an hour, and stays in that range for three hours or more.
If you’re a coffee lover, like the majority of us are, having these little metal coffee beans in your pocket may be the best thing to keep on hand. Their stainless steel exterior makes them easy to clean and means no flavor transfer will happen from cup to cup. Their clever design and size means the Joulies are harder to lose and also not small enough to go through the mouth hole on your lid. They work in all coffee cups, mugs an glasses and can be used for a variety of drinks. Coffee Joulies are the perfect gift for the coffee lover in your life.
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