This is a collaboration product between JIUJIU, a stylish mask brand from Taiwan, and the popular pet illustrator sakio. When you pour in a hot beverage of 45 degrees Celsius or higher, adorable, relaxed dog silhouettes will appear from the black design. They will revert to their original state at room temperature, allowing you to enjoy the transformation repeatedly. Size: Approximately φ9.4cm (top) x H8.4cm Marumo Takagi Tokei Co., Ltd. is located in Tajimi City, Gifu Prefecture, which boasts the largest production volume of ceramics in Japan. Mino ware is a traditional Japanese pottery with a history of 1300 years, and Marumo Takagi Tokei handles many such Mino ware pieces. In addition to our tradition, which began in 1887, we are a company that combines innovation with the world of "designing temperature" in tableware. Marumo Takagi Tokei, which "turns food into entertainment," will deliver such tableware to everyone. Please refrain from using the microwave and dishwasher. Be careful as scrubbing with metal scrubbers or cleansers may scratch the surface. Thank you for viewing.