Demon Slayer: Kimetsu no Yaiba heat revealing ceramic mugs.
Capacity: 300 – 400 ml.
These mugs reveal the pattern only when filled with a hot liquid. Just add your coffee or tea, and watch your images come to life in vibrant colors. Water temperature should be over 70°C/158°F5.
Be careful with hot water!
Strong packaging to avoid damage to the mug.