Corelle Square 16-Piece Dinnerware Set, Pure White, Service for 4 Vitrelle Imported Service for 4 includes: 4 each 10-1/2" Dinner Plates,9" Bread and Butter Plates, 22-Ounce Soup/Cereal Bowls, 12-Ounce Porcelain Mugs 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 3-year replacement warranty against breaking and chipping for vitrelle items.