Photo mugs are made of ceramic material to print your favorite photos on. Enjoy your morning coffee in an 11 oz, 15 oz, of 20 oz mug that has a personalized touch to it. This is also a perfect selection to give as a gift during the holidays, birthdays, weddings, graduations, and more. These mugs are microwave and dishwasher safe, available in black or white. Photos are printed using a sublimation ink process to see the colors of your photos at its best.