Corelle Livingware Bread and Butter Plate Set, Porto Calle, Set of 6 Boutique Porto Calle 6-3/4" Plate Dishwasher, refrigerator, microwave & pre-heated oven safe Patterns wont wash, wear or scratch off Vitrelle glass is lightweight, stackable & break and chip resistant, proudly made in the USA 3 Year Limited Warranty on Vitrelle glass