Vibrant Lead-Free Ceramic - Made from fully vitrified, lead-free ceramic that’s safe, non-toxic, and finished with Fiesta’s signature colorful glaze. Vibrant Lead-Free Ceramic - Made from fully vitrified, lead-free ceramic that’s safe, non-toxic, and finished with Fiesta’s signature colorful glaze. Microwave, Oven & Dishwasher Safe – Made for modern convenience, this dinner plate is safe for use in the microwave, oven (up to 350°F), and dishwasher, making cleanup effortless Proudly Made in the USA – Manufactured in Newell, West Virginia, Fiesta Dinnerware supports American craftsmanship with each plate produced domestically to the highest quality standards.