When filled with hot liquid, the cup changes from black to reveal an image.
Heat sensitive material on the mug surface colours when hot liquid is poured in.
Capacity: 350ml
Material: Ceramics
Notes:
Do not expose to sunlight for long periods. 
Do not scrape on the printing with sharp tools.
Wash with hand, not suitable for dishwasher.
Not microwavable. 
Water temperature should be over 70 ° C / 158 ° F5. Be careful with hot water!
Package includes:
1 x Mug