CorningWare French White 20-ounce Meal Soup Mug with Vented Lid- Set of 4 is a set of four round-shaped stoneware soup mugs with solid white color and a capacity of 20 fl oz. The mugs come with vented lids and are suitable for hot beverages. They are microwave and dishwasher safe, making them easy to use and clean. The set is perfect for all occasions and can serve four people.