Chantal Ceramic 2-cup Au Gratin - Cobalt Blue Freezer, microwave and oven safe. High quality stoneware can withstand high oven temperatures, including broiler. Durable non-porous glaze won't react with foods and flavors and is safe to use for cutting and serving with metal utensils. Thick wall and bottom construction provide even heat distribution, ideal for baking Table ready and dishwasher safe 2-cup, 10.65-Inch x 5 3/4-Inch x 2-Inch