? This Jade Melamine Bowl Set of 6 each measures 4.5" Diameter and 3" High. Each bowl can contain approximately 12 ounces of fluids. ? These bowls are made of high quality melamine in a state of the art factory in Taiwan China. They are compact/stackable and ergonomic. These restaurant grade melamine bowls are dishwasher safe. They are NOT microwave safe because of the melamine composition. ? Because they are made of melamine, these bowls are perfect for high-volume restaurants and private parties due to its shatter- and stain-resistant properties. Therefore, these bowls will sustain long-term use while maintaining matte white color and overall quality. ? At 4.5 inches in diameter, these modern/contemporary bowls are perfect for rice, soups, salads, desserts and appetizers. Although made of melamine, these plates are designed to look like fine porcelain earthenware.