KitchenAid Small Plastic Set of 4 Prep Bowls with Lids Convenient Sizes Includes 1, 2, 3, and 4 Cup Bowls Perfect for food Prep with Clear storage lids Smallest bowl has a diameter of 4 inches, largest bowl has a diameter of 6 inches. Dishwasher safe KitchenAid name printed on the side of each bowl.