Free Hugs...for Dogs Magic Coffee Mug

Product Description 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 when having your drink of choice. Specifications:- Ceramic- 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 Notes:- 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.