Pyrex Prepware 4-Piece Dessert Dish Set, Cobalt 6-ounce dish for making and serving individual baked or frozen desserts Oven-safe glass transfers heat steadily and efficiently Glass will not absorb or leach flavors or odors Dishwasher safe; safe in the oven, freezer, and microwave Measures 4 by 4 inches; 1-year limited warranty