Temperature DesignMagical Color-Changing Mug Marumo Takagi Ceramics Mount Fuji Bone White Cup Sensitive Glossy Stylish Japan Magic Celebration Gift

Temperature-changing cup "Onkan Fujisan Mug Cup Newborn" appears to be an ordinary mug at first glance, but it has a special feature! When you pour a beverage at around 45 degrees or higher, a silhouette of Mount Fuji emerges from the black color! When it returns to room temperature, it goes back to the black silhouette. With such a fun mug, it is sure to enhance your tea time!