Magic Mug (Birthday)

Country of origin: China Material: Body: Porcelain Product size: 8.2cm x 9.5cm x 12.8cm Contents: 1 piece Type: No assortment Changes color with hot drinks! ●This product uses special transfer paper that changes color when hot drinks are added. ●It is black at low temperatures, but as the temperature increases, the normally invisible design gradually emerges. ●When the temperature drops, it returns to black. 1. Slowly pour hot water, hot tea, coffee, etc. 2. Over time, the temperature of the mug will rise and the picture will gradually change. 3.When the mug with a different picture cools down, it will return to its original picture. ●When using for the first time, wash in water with dish detergent. ●Do not use scrubbers or cleansers.