Made of aluminum and coated with Starflon Max non-stick material inside and out, they ensure uniform cooking and are easy to clean as food does not stick to them. The internal decoration of the pieces represents the delicacy and dedication of cooks. The heat-resistant handles, holders, and knobs ensure safe use. They may be used on gas, electric, or glass ceramic (electric resistance) stoves and are dishwasher safe. 1.8 mm thick aluminum body for faster and more uniform cooking. Interior and exterior Starflon Max non-stick coating, easy to clean, more durable and keeps your cooking healthful. Tempered glass lid, with steam vent and stainless steel rim. Heat-resistant Bakelite handles and nylon knob for increased safety during use.