Value/Valve Heart Matte Black Magic Mug
Who doesn't love a good surprise? With this color changing coffee mug, you'll find that the black matte finish transforms to show tons of little hearts representing good values. Whether you call this really cool magic or fascinating science at work, this beautiful design will appear when the mug comes into contact with a hot beverage, giving you an extra reason to smile when having the drink of your choice.
• Black matte finish when cold
• Reveals the print when exposed to hot liquids
• Dimensions: height - 3.85" (9.8 cm), diameter - 3.35" (8.5 cm)
• Made in China. Printed in the USA and EU
Note that in some instances the coating might not be 100% opaque and an outline of the design might peek through a little. Also, you shouldn't put the mugs in a microwave or dishwasher since it can damage the coating.