All AMT pans and pots are cast in one piece and have the following features- Heavy duty hand-cast aluminium. – Non-stick coating layer made from AMT??s unique Lotan? sealing with anti-bacterial effect.- Pots and pans are heat resistant up to 240 ??C and removable handle is heat-resistant up to 150 ??C.- The coating is 100% PFOA free.- Guaranteed against manufacturing and material defects for 2 years.- Cookware base is guaranteed not to warp for at least 10 years.- DO NOT use metal utensils or cut in AMT Gastroguss cookware. DO NOT slide the cookware over your stove range. DO NOT use scouring pads or harsh detergents. Cookware that has been damaged due to neglect or incorrect handling is not covered by this warranty.