Start your day with your favorite beverage and your favorite pop icons. The Vandor doctor who weeping angel heat reactive ceramic mug can help with that! made of high quality stoneware, this mug's design changes when filled with hot liquid. It features a bold character design and a recessed sliding lid that prevents spills. Hand wash only – do not microwave. Making retro cool since 1957, legends live on at Vandor – suppliers of hip and functional products for fans of all ages.