BTS Coffee Mugs A.R.M.Y Heat Sensitive Color Changing Cup,12 oz Black and White New Arrival - BTS Official Merch
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By A Mystery Man Writer
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5(719)
Product Description
In order to activate cup the temperature of the hot liquid should be over 70°C/158°F. At that temperature, it is possible for the color of the black mug to change If dont wanna use hot water to make it color changing, plz choose the white one,It doesnt support Color Changing .its a regular one for []