1)Nonstick Interior, heat resistnat exterior 2)Fast to heat ... Detail30 days per 40'HQ 1.Inner: 2 layers nonstick coating 2.Outer: heat resistant coating 3.Thickness:2. ... 0-3.0mm 4.With FDA,LFGB wok pan Product name Aluminum Non-stick Cookware-Heat Resistant ... Wok PanItem No.TYWPCertificationFDA, LFGBMaterialaluminum Size20cm,22cm,24cm,26cm,28cm ...