Custom Morphing coffee mug、 made of 100% ceramic with durable pattern printed on the surface.11 OZ capacityShow your true colors with a morphing mugJust plain black in color when it's cold、 this magical 237 oz. mug will turn white and reveal your design only when filled with a hot beverageAdd your coffee or tea、 and watch your images come to life in vibrant color.We are a manufacturer that specialized in making home products、 such as pillowcase、 Mugs、 doormat and so on.Customize is acceptable、 just send us your picture、 we will print it on the items.