Corelle Impressions Sandstone 12 Ounce Soup / Dessert Bowl (Set of 4) Corelle Impressions Sandstone 12-oz Bowls Dishwasher, refrigerator, microwave & pre-heated oven safe Patterns wont wash, wear or scratch off Vitrelle glass is lightweight, stackable & break and chip resistant Vitrelle glass is proudly made in the USA