Tri-Ply Construction
The outer layer is 430 stainless steel, which is strong and durable with good magnetic conductivity and can be used on gas and induction hobs.
The middle layer is aluminium, which has good thermal conductivity and can conduct heat quickly, also can make your food get even heat, not easy to stick the pot.
The inside layer uses food grade 304 stainless steel, safe and harmless.