Being a good witch isn't easy, but Glinda the Good certainly makes it look great. Get your own little piece of Oz with this magical Wizard of Oz Good Witch Morphing Mug, and show off just how good you can be! The 11-ounce ceramic mug transforms from black to a vivid full-color image when hot liquid is added, and it weighs 1 pound! Hand wash only. Not dishwasher safe. Do not microwave.