Matte Black Magic Mug

We wasted so much hot water when we got our first sample of this mug! We kept filling it up, letting it cool down, filling it up … Who doesn't love a good surprise? With this color changing coffee mug, you're definitely in for a great one. This mug has a black matte finish when it's empty but when it comes into contact with a hot beverage, the mug reveals a beautiful print that'll always make you smile. Specs • Ceramic• Black matte finish when cold• DO NOT put in the microwave• DO NOT put in the dishwasher• 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 the black coating might not be 100% opaque and an vague outline of the design does peek through a little. Also, you shouldn't put the mugs in a microwave or dishwasher since it can damage the coating. Peace Starts With Me Never doubt that a small group of thoughtful, committed citizens can change the world. Indeed, it is