Color Changing Mug - Faith Story - Large 16 Ounce - Porcelain Quote: Faith is to Believe in what you do not see. -St. Augustine Story: A magnificent sunrise illuminates the beauty of the landscape below, which was hidden in the darkness of night. Every mug tells a story. Each mug starts as a solid color with a powerful quote and artwork. As soon as you add a hot liquid, the story unfolds and the artwork transitions. The story mugs are made of high-quality porcelain, have a 16 oz capacity, and feature a unique square shape. BPA Free Manufactured in compliance with California Proposition 65 and US FDA 7117.06-.07