Features: 1.Astonish your guests with a whimsical magic cup when you fill up these Cup with ice/hot water. 2.Made of high quality material, durable and long lasting. 3.Coated with a food grade clear ceramic glaze, to seal in the color changing ink. 4.The Magic Color Changing sake cups react to either cold, or hot sake or even water/tea. 5.Best housewarming gift for your family or friends.    Notice: Please allow 1-3cm deviation due to manual measurement Actual color may be slightly different from the image due to different monitor and light effect Description: Material:Ceramic Size:9x3.5cm Capacity: 70ML Package List: 1x Cup