Product Description

This is a porcelain mug. The color imprinted on exterior of mug is sensitive to heat. When hot water or beverage is put in the mug the exterior color changed. We have *2 colors for the changing coat. Customers' OEM pattern is welcome. Please contact for for detailed and professional advice of how to make a magical and delicate color changing mug. This item is suitable very much for gift, premium and promotion.