Detailed Product Description The non-stick coating we use is AKZO NOBEL from USA.We also use coating from South Korea.We have got FDA,LFGB certificate.The product is heat resistant surface outside,2-layer non-stick coating inside,nice look,freely combine,easy to clean.Size: 5 QT sauce pot, 24 * 10.5cm 9.5'' fry pan , 24 * 5.0cm 1.5 QT sauce pan , 16 * 7.5cm