The Werewolf — Heat-Reveal Halloween Mug

What are those beady eyes outlined in the dark?  Is it man...or beast?  Let your coffee or other hot beverage tell you...but be warned:  monsters are known to lurk beneath the surface!  

.: One size: 11oz (0.33 l)
.: Ceramic material with black exterior and white interior
.: Lead and BPA-free
.: Heat-reactive coating reveals frightful hidden design 
.: Glossy finish
.: NB! Hand wash recommended