Used once and then stored at home. It's thin, making it easy to fit in an oven, direct flame, and even a gas grill. With the lid on, heat gently spreads to the food, allowing for steamed dishes. You can also make gratin without the lid. Being ceramic, it uses far-infrared rays to cook food evenly and deliciously. Size: 18.5 x 25.5 x 5 cm Material: Ceramic, Made in Japan Includes instructions (recipes) No box Direct flame, microwave, toaster, oven, and fish grill OK Not compatible with IH Please assess the condition based on the photos, as this is a used item stored at home.