CorningWare Colours 2-Piece Bakeware Value Pack Durable stoneware material designed for use in oven, microwave, refrigerator and freezer 2-pc red set includes 1-1/2-qt and 2-1/2-qt round casseroles Non-porous surface does not absorb food odors, flavors or stains Dishwasher Safe Oven, microwave, refrigerator/freezer, dishwasher safe