Thane TR-253-004 Flavor Stone Essential Cookware Set Includes 9.5" Deluxe Deep Pan w/Thermo Knob Lid, 9.5" Saute' Pan, 9.5" Casserole Pan, cookie sheet and Herb Mesa Cookbook Sapphire non-stick surface is tough and it prevents anything from sticking, which also makes clean up easy Absorbs heat quickly, evenly and efficiently which reduces cooking time Aesthetic cookware is abrasion resistant and highly durable-ensuring a long lifetime even with the most aggressive use A medium burner setting or lower to thoroughly cook your food