Dci I Am Not A Paper Cup 12-Ounce Porcelain Travel Cup With Lid, Silver Edition Double-walled porcelain construction insulates hot and cold beverages Flexible silicone lid seals tightly to prevent splashes and spills Dishwasher safe, do not use in the microwave Measures 3-1/2 by 3-1/2 by 6 inches and holds up to 10 ounces