DCI I Am Not A Paper-Cup 10-Ounce Porcelain Travel-Cup with Lid, Black Turn your everyday disposable cup into an reusable mug. Double-walled porcelain construction insulates hot and cold beverages. Flexible silicone lid seals tightly to prevent splashes and spills. Dishwasher and microwave safe. Measures 3-1/2 by 3-1/2 by 6 inches and holds up to 10 ounces. Turn your everyday disposable cup into a reusable mug Double-walled porcelain construction insulates hot and cold beverages Flexible silicone lid seals tightly to prevent splashes and spills Dishwasher and microwave safe Measures 3-1/2 by 3-1/2 by 6 inches and holds up to 10 ounces