Short answer: friend shouldn't microwave it due to the fact that it has actually a slim plastic lining ~ above the within that might potentially leach toxins right into your beverage.

You are watching: Why can t you microwave starbucks cups

I was curious around the very same thing after seeing the "Do not microwave." warning.

It seems that the cups have a plastic coating top top the inside, which i hadn't really noticed or realized until reading about it, and also then upon emotion the cup it makes sense. Ago in the job I think the exact same "water proofing" effect was completed with wax.

Source: https://www.quora.com/How-safe-are-paper-coffee-cups


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level 2
Op · 6y

THANK YOU! This provides so lot sense!


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level 1
· 6y

I've definitely seen that on cups since at the very least 2011


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level 2
Op · 6y

I've certainly stuck mine cup in the microwave to warmth up mine coffee before....


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Continue this thread 


level 1
· 6y
Dude i fucking work there and I can't also tell you...


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level 1
Op · 6y

On one more note... Reportedly you can not microwave the sleeves either.

But you have the right to microwave those brand-new $2 plastic cups - yet use a sleeve.


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level 1
· 6y

Mine says microwave and also dishwasher safe. It's a ceramic one tho.

See more: How Far Is Mobile Alabama From My Location, Distance From Mobile


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level 1
· 6y

who cares?


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