... 4,Bottom Plate:7mm aluminum with 0.5mm 430 plate for induction 5,Lid:18/8(SS304) 0.8mm 6, ... Parts:StainlessSteel hollow handles 7,Packing:Colour box packing8,Suitable for all heat source including induction. and SGS approval ,healthy ... ensure quick and even heat distribution, Super high quality , food grade s/s material safe for food touching ,energy saving Stainless Steel Chinese Wok for induction