The housing of all сookware Mármia are made of forged aluminum: heats evenly and no deformation. Reinforced 5 layer non-stick coating QuanTanium with titanium. Coating does not contain PFOA, cadmium, and lead and is completely safe. Permitted to use non-sharp metal utensils. Suitable for all types of cookers, including induction. Stay-cool handle coated with "Soft-touch" prevents slipping. Guarantee on Mármia series cookware is 5 years.