The image is a casserole dishes.
Casserole dishes are versatile cookware used for baking a variety of dishes in the oven, from stews and soups to pasta bakes and cobblers. They typically come in a variety of sizes and materials, including glass, ceramic, and metal. Glass casserole dishes allow you to monitor your food as it cooks, while ceramic and metal dishes tend to distribute heat more evenly.

Casseroles are a convenient and versatile dish that can be easily prepared in advance and baked in the oven. They are often made with leftovers or pantry staples, making them a great way to save money and time.

The casserole dishes in the image you sent appear to be made of ceramic, which is a common material for casserole dishes. They also have lids, which are helpful for keeping food warm and moist while it cooks.