Enjoy your morning cup of coffee or tea in this unique and fun Bob Ross 'Self Painting Mug' Heat Changing Mug. This licensed reproduction mug features a black base color with an all-over pattern and a heat-changing design that reveals Bob Ross's painting when hot liquid is added. The mug holds 12 oz of your favorite hot beverage and is hand wash only. It makes a great gift for Bob Ross fans and art enthusiasts alike, perfect for any occasion.