annovero dinner plates, set of 6 porcelain plates, 10.5 inch diameter annovero annovero dinner plates are manufactured using only the highest quality porcelain (grade a). we fire our plates at a high temperature to maximize the strength of the porcelain. plates are 10.5 inches in diameter with a slightly flared rim to prevent food from spilling off the plate. dishwasher, microwave, freezer, and oven safe up to 482°f. annovero uses eps foam to protect your plates from being damaged during shipping. eps foam is 100% recyclable.