These are genuine (4) Corningware stoneware 7.7oz/ 227ml mini dessert bakers with black lids. The high-gloss exterior is non-porous, easy to clean, and won't absorb flavors, odors, or stains. These Corningware dishes are oven, dishwasher, and microwave-safe. Go from oven to tabletop with Corningware's mini dessert bakers, they happen to be classic and versatile so they match any kitchenware set. The stylish and easily transferable from oven to table, making baking easier than ever while still keeping your cookware looking elegant. These are genuine Corningware mini bakers.