Be Men of Courage Coffee Mug – support the men in blue and that thin blue line they walk every day with this awesome matte black magic mug. The mug changes color when it comes in contact with a hot beverage and reveals a cool print.
• 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 Europe
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.