Corelle Livingware 6-3/4-Inch Bread and Butter Plate, Memphis Pack of 6 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