Magic color changing tetris mug
Size: D 8 x H 9.5 cm
Capacity: 350 ml
1. Do not put this cup to microwave oven.
2. Don't expose to direct sunlight
3. Don't scrape on the printing with sharp tools
4. Hand was only, not suitable for dishwasher.
5. Water temperature should be over 70° C/158°F5 for the colors to change. Be careful with hot water!