Why we love this..High temperature fired porcelain offers durability. Unique color application for alluring beauty. Elegant blue and white marble adds a refined, clean look to your tabletop. Functional plates are fired at a high temperature to make each piece durable. Plates are carefully coated with color for an inspired, unique look. Set of 4. Porcelain. Oven safe up to 350 degrees F. Microwave and dishwasher safe. Each measures 10.9" diameter. Imported.