12 oz. Microwavable Stoneware Travel Mug Cobalt Blue Finally, a coffee travel mug that goes into the dishwasher and the microwave and fits nicely into an automobile cup holder This ceramic coffee mug looks and feels like an actual coffee cup, giving you the benefit of both a travel mug and a coffee mug 12-ounce microwaveable travel coffee mug has a polypropylene lid to prevent splashes and an easy-to-grab handle as well as the class and purity of stoneware Ceramic Coffee Mug dimensions: 2 1/2 inches at the base, 3 1/2 inches at the top and 6 inches tall Lid is not spill-proof