Comprehensive Set Composition: The box includes three multi-sized casseroles paired with form-fitting, heat-tempered glass ventilation lids, as well as standalone specialty pans.Heavy-Duty Build: Constructed with a thick, multi-layer capsule induction bottom, ensuring optimized heat distribution and complete compatibility across gas, electric, ceramic, and induction cooktops.Premium Coating: Fully engineered with a non-stick granite coating that is explicitly PFOA and PFOS free, promoting safer everyday cooking and seamless food release.