The Maxwell Williams Birds Of Australia Kookaburra 10th Anniversary Katherine Castle coffee mug is a round, multicolor bone china cup featuring a classic Audubon pattern with a theme of Birds Of Australia. This decorated mug is not only microwave and dishwasher safe, but also serves as a 10th Anniversary Edition piece suitable for all occasions. Standing at 4 inches tall and 3 inches wide, this coffee mug is a beautiful addition to any home, perfect for enjoying your favorite hot beverages in style.