Zoku - Iced Coffee Maker (Red)

Turn piping hot coffee or tea into a delicious chilled beverage in as little as five minutes. Don’t let ice dilute your favorite flavor, just store your stainless steel mug in your freezer, add it to the insulating sleeve, pour your beverage and snap the lid on tight.

These iced coffee-making mugs have plenty of chill - The Boston Globe

I tried using Zoku Iced Coffee Maker which can be made in short

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Zoku Instant Iced Coffee Maker, Reusable Beverage

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How to Use the Zoku Iced Coffee Maker

Turn piping hot coffee or tea into a delicious chilled beverage in as little as five minutes. Don’t let ice dilute your favorite flavor, just store your stainless steel mug in your freezer, add it to the insulating sleeve, pour your beverage and snap the lid on tight.

Zoku - Iced Coffee Maker (Red)