Non-Stick Kadhai- 24cm. Finished with triple layer stonehenge coating from greblon Germany which is chemical PFOA (Perfluorooctanoic acid) free and scratch resistant. The spiral bottom helps in even heating. It is metal spoon friendly and has strong, sturdy, stay-cool bakelite handles. Pigeon aluminium pressure cookers are from best quality aluminium. It has food grade rubber gasket Pigeon gaskets are made from superior quality, food grade nitrile rubber. Equipped with best quality safety devices : weight valve, gasket release system, gasket vent release system, safety valve. Anti-deflecting bottom increases thermal efficiency and cuts fuel costs. User friendly handles they are ergonomically designed for better grip, comfort and convenience. Easy to handle, open and to close.Warranty on Cooker - 5 Years Manufacturer warranty, Kadhai - 1 Year manufacturer warranty.