EVERY LAYER HAS A PURPOSE: Tri- ply construction includes 18/10 stainless steel interior, 99% pure aluminum core and polished stainless steel exterior bonded together for increased durability. EXTREME TEMP TESTED: Stainless steel cookware has guaranteed no warping, no scorching, and no hot spots. PERFECT SEARING AND EVEN COOKING: Stainless steel pans quickly distribute and retain heat for excellent searing and professional results every time. FREE OF HARMFUL CHEMICALS: Cook with nontoxic pots and pans for more peace of mind. OVEN SAFE TO 600°F: Ninja stainless steel cookware can easily go from stove top to oven for baking or browning toppings. COMMERCIAL GRADE PERFORMANCE: Chef used, chef abused, chef approved. BEST IN CLASS DESIGN: Our stainless steel pots and pans have large cooking surfaces and high side walls for enhanced cooking capabilities. LIMITED LIFETIME GUARANTEE: Trusted durability that’s fully backed by Ninja when used as directed. SAFE and EASY TO USE: All range capable. Compatible with gas, electric, glass ceramic, and induction stovetops.