The top class in cookware. The premium induction diffuser bottom is sprayed on with a patented sonic speed process that ensures the complete merging of the magnetic steel with the aluminum base. The inside cooking surface and exterior consists of professional, reinforced 3 - layer non - stick coating, that prevents sticking, provides low fat cooking and also makes clean - up easy. Professional non - stick coating is PFOA - FREE. The molded side handles and the removable pan handle ensure perfect oven use. Removable handles make storage easier and saves space. Tempered glass lids feature stainless steel handle and rim.