Product DescriptionDescriptionFAN MADE GOODSSmooth Cup BodyBright Patterns Do Not Change ColorEasy To CleanUnder Nomal Temperature,The Mug is Black. When Pour Hot Beverage Above 50 Degrees, The Patterns Show Out.Product SpecificationMaterial: CeramicHeight: About 9.5cm Diameter: About 8cmVolume: About 300ml Weight: About 0.4kg1 x MugPlease don't wash with dishwasher.