Have your own solar eclipse! Or surprise your loved one when the 2024 solar eclipse appears on this mug. The heat-reactive surface reveals the totality and the "diamond ring" once the mug gets warm, with the text "April 8, 2024 Missouri." The ceramic cup will go back to its original black outside and white inside when it cools down. The C-shaped handle helps keep a sturdy grip. It comes in one size – 11oz (0.33l) – plenty for that big morning cup of coffee. .: One size: 11oz (0.33 l) .: Ceramic material with black exterior and white interior .: Lead and BPA-free .: Heat-reactive design .: Glossy finish .: NB! Hand wash recommended Mugs ordered so far (January 2025) have taken 2-3 weeks from order to delivery. Ceramic blank made in China, printed in the USA.