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Starbucks Releases UV-Reactive Tumblers That Change Color in the Sun

Starbucks is putting a twist on their color changing tumblers.

Courtesy of Starbucks

Rather than pouring hot or chilled liquid to make your tumblers change shades, Starbuck’s latest color changing creation is a little more unique than that. 

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Introducing Starbucks’ first ever UV-activated color changing cold cups! 

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Venti sized tumblers that change color when you walk outside, simply step out into Mother Nature on a sunny day to watch the magic happen.

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No matter what type of temperature controlled liquid is poured inside the cup, this drinkware will turn as long as your outside!  

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Expect this set of tumblers to show colors of lime green, dark blue, light blue, purple, and pink! 

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Take a stroll in the park or walk the dog with the UV-reactive tumbler that are perfect for sipping in the summer. 

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You can find the UV color changing cups on eBay to snag the first edition of color changing cups powered by the sun courtesy of Starbucks!

Courtesy of Mercari