CorningWare French White 1-1/2-Quart Covered Round Dish with Glass Top French White 1.5-qt Round Casserole w/ Glass Lid Durable stoneware material designed for use in oven, microwave, refrigerator, and freezer Corningware material resists chipping and cracking Non-porous surface does not absorb food odors, flavors, or stains 1 year warranty on lid