Bring back the magic of youth with a custom color-changing mug. Fill this mug up with 11oz of any hot beverage, and watch the black coating fade and reveal your print thanks to the heat-reactive design. Each mug comes with an ORCA Coating and durable ceramic construction with a glossy finish. Create a unique staple that is fun to use on a daily basis..: Material: Durable ceramic with a glossy finish.: One size: 11oz (0.33 l).: Black exterior and white interior.: Heat-reactive design.: Black C-shaped easy-grip handle.: NB! Hand wash only.: NB! Not suitable for microwaving