The Cooks Standard 30 quart stainless steel professional grade stockpot with lid is made with 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 capsuled 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 and stay cool/comfortable for carrying. Tapered lip for drip-free/balanced pouring and keeps contents in. Large size for multipurpose function: canning, jarring, and stewing. Induction compatible. Works on gas, electric, glass, ceramic, halogen, etc. Oven safe to 500F. Dishwasher safe. Measures: 19. 5 in. Length, 14. 5 in. Width, 12. 5 in. Height, and 12 lb.