Filled to the brim, each bowl holds a maximum of 23 fluid ounces (2.75 cups or 1 pint). However, approximately 20 fluid ounces will fit comfortably in each bowl. Please make sure this size will work for you before ordering. Annovero is a family-run business based in the United States. Unlike similar cereal bowls, Annovero bowls are made of the highest quality porcelain available and fired at a high temperature to maximize the strength of the porcelain. Bowls are 6.25 inches in diameter and are ideal for cereal, soup, rice, pasta, fruit, salad, main entrees, side dishes, and snacks. Dishwasher, microwave, freezer, and oven safe up to 482°F. We offer a 30-day warranty on each purchase.