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An inflated coffee cup with a set of coffee cups of creative design.

Before adding hot coffee, this coffee cup looks just like any other cup, except that it has a sticker with small pink petals on the surface to make it look cuter. When you add hot coffee and reach a c...

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Before adding hot coffee, this coffee cup looks just like any other cup, except that it has a sticker with small pink petals on the surface to make it look cuter. When you add hot coffee and reach a certain temperature, something amazing will happen. The little pink petals will swell up, and when you hold the cup in yo...

Before adding hot coffee, this coffee cup looks just like any other cup, except that it has a sticker with small pink petals on the surface to make it look cuter. When you add hot coffee and reach a certain temperature, something amazing will happen. The little pink petals will swell up, and when you hold the cup in your hand, you won't get burned.

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