CorningWare French White 3-Piece Bake/Serve Set with Glass Cover Glass and plastic lids make cooking, serving, and storing easy and convenient 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 10 year warranty on dishes