CorningWare CW by Twilight 20-oz Stoneware Mug CW by CorningWare Twilight 20-oz Stoneware Mug with plastic lid Mug is dishwasher, oven safe, freezer and microwave safe Great for coffee, tea, soup, chili, oatmeal, hot cocoa and more Non-porous surface does not absorb food odors, flavors or stains