Black history design of cultural pioneers and leaders. ALI, JHON COLTRANE, MALCOM, MARIAN ANDERSON, MYA ANGELOU, ROSA PARKS AND MARTIN L. KING. This beautiful ceramic mug is perfect for any event of the day. Your morning coffee, a hot chocolate, or any other hot beverage you enjoy. The mug is glossy white and the prints come out beautifully and vividly on it. The print retains its quality and luster when used in both microwaves and the dishwasher. - Ceramic 11oz mug - Dishwasher and microwave safe - Product safety tests conducted by independent third-party laboratories.