The pictures and responses are expected that more interesting. When mug Black Hand prints still looked through. Color changes fast enough. Top color does not change, is a black stripe. Where the handle, all pictures "customer review"
When filled with hot liquid, Wake up.
Heat sensitive material on the mug surface turns color when hot liquid is poured in
Limit exposure to direct sunlight
Hand wash (dishwasher not recommended)
Do not microwave
Color: mainly Black