Set Composition: Includes 7 pots of varying sizes, commonly ranging from 14cm to 26cm in diameter as indicated on the box.Material: Crafted from premium heavy-duty aluminum (often marketed as "stainless aluminum") which provides fast and even heating.Durability: The pots are built with solid riveted handles designed to stay cool during stovetop use.Compatibility: These sufurias are highly versatile and can be used on gas, electric, induction, and even open charcoal jikos or firewood.Lids: Comes with matching tight-fitting aluminum covers that seal in moisture and nutrients for better cooking results.