The Cooks Standard Professional Stainless Steel Cookware set 8PC is made of brushed 18/10 stainless steel inside and out with an aluminum disc layered in the bottom. Stainless steel is heavy-duty, easy to clean, and looks great. The aluminum disc capsule bottom provides even/quick temperature distribution and prevents hot spots. Solid stainless steel lid keeps heat and moisture for long boiling/stocks and creates a seal. Wide and deep stainless steel handles offer durability/comfort for carrying. Tapered lips for drip-free/balanced pouring and keep contents in. Induction is compatible. Works on gas, electric, glass, ceramic, halogen, etc. The oven is safe to 500F.