Experience the magic of our 15 oz. black color changing mugs! At first glance these look like your standard black mugs, but upon adding hot liquid, your imprinted images come to life with perfect clarity. This patented process has opened many new decorating options in the world of coffee mugs. Hand washing is recommended. These mugs come in cases of 36 pieces.
(US Patent #: 6,281,165 6,759,099 6,902,775 7,166,333).
Add hot liquid to reveal underlying image
Novelty advertising and business promotion
Comfortable handle design