Fitted sealed-steam lids lock in steam and moisture for consistently eggs. Upgraded -on ceramic lid provides a strong seal to prevent spills and consistent cooking. Thick-walled ceramic design evenly distributes heat for perfectly cooked, soft-boiled eggs. Premium porcelain construction ensures durability and heat resistance for long-term use. Versatile kitchen tool suitable for steaming eggs, making puddings, soups, or small dessert servings.