12oz Black Satin Two-Tone Robusto Mug. These mugs sport a black exterior and colored interior: red, orange, yellow, green, and blue. Great for school settings when coupled with the Chalkboard Panel option! Use our Moon Glow or Vanishing Ink special effects, and have an eye-popping Halloween design! Imprinted with the four color process and organic polymer ink. Prop 65 compliant: lead-free and cadmium-free. Our precise imprinting is 4x better than industry standard. Other dishwasher resistant options available upon request.