Corningware 20-Ounce Oven Safe Meal Mug with Vented Lid, Black Licorice This 20 ounce meal mug makes it great for Soup, coffee, tea, chili, oatmeal, hot cocoa and more Stoneware is safe to use in microwave, oven, refrigerator, freezer & dishwasher Resists chipping and cracking Non-porous surface does not absorb food odors, flavors or stains Includes patented spill proof vented plastic lid