"What Is It?" Reusable White Soup or Cereal Bowls with Ant Design, 6 Inch Melamine, Set of 4 Includes a set of 4 bowls Made of Melamine which is washable and reusable. Made to look like traditional white paper plates and plastic cups but they are not paper or plastic. Dishwasher safe. Not microwaveable Measures: 6 inch diameter Available in different size matching plates