●The die-casting technology used is non stick coating, which is extremely durable. ●This very durable soup pot can be evenly cooked and effectively insulated. The mineral substrate used in ceramics has thermal shock resistance. ●This cooker is durable, scratch resistant, easy to clean, and safe for dishwashers. ●Our casseroles consume less oil to ensure your daily cooking ●Riverless interior prevents food from getting stuck. Super easy to clean, just wipe lightly. Even beginners can easily cook.