Outside and inside satin polished. Top edges mirror polished. Hollow tubular stay cool handles in stainless steel, ergonomically shaped. Extra thick edges. Double thick bottom. Sandwich thermoradiant bottom (stainless steel-aluminum-stainless steel). Perfect for use on any type of stove, whether gas, electric, glass ceramic cooking surface or induction stove. All items have an induction-suited sandwich bottom. Designed for the needs of professional chefs and the pleasure of passionate gourmets.