Corelle Royal Lines Dinner Plate, Pack of 6 Includes (6) 10-1/4" Dinner Plates. Made with break and scratch resistant patented Vitrelle glass technology. Space saving design: lightweight and thin, yet extremely durable. Microwave, dishwasher, and oven safe- patterns won't wash, wear, or scratch off. Vitrelle Glass Dinnerware is made in the USA and comes with a 3 Year Warranty.