Tri-Ply Food Grade Stainless Steel Tasla 220mm is accurately manufactured with a stainless steel polished exterior and a satin finished interior for consistent cooking that looks great in your kitchen. Tri-Ply stainless is designed with sandwich layers of food grade stainless steel and an aluminium core between the two stainless steel layers for ensuring consistent and even heating with excellent heat conductivity on all types of cook tops.