... .Suitable for all heat source 3 energy saving 4.OEM non stick cookware :1,Diameter/Height:16-28cm open frypan without cover2,Material ... .8mm 3,Feature:Belly shape, no step with cut edge, non-stick coating inside and mirror polishing outside4,Bottom Plate:5mm aluminum ... /s material safe for food touching, energy saving. Belly frypan:non stick cookware