Start the day with the Morning Mug.This is the cutest thing ever! Great gift for anyone. hot liquid,such as coffee ,tea are pored into the mug the the mug ‘s appearance quickly changes,within a minute,the black cup completely turns white.the face will have awoken to greet you.what a magical cup.you can give it as gift to your children and your family and friends,they must love it. NOTE 1. Don’t expose under the sunshine for long time 2. Don’t scrape on the printing with sharp tools 3. Wash with hand, not suitable for dishwasher machine. 4. Water temperature should be over 70¡ãC/158¡ãF5,the color changed. Be careful with hot water!