MageFesa Nova Stainless Steel Super Fast Pressure Cooker, 4 and 6 Qt. Made of stainless steel. Suitable for all types of fires. Built with security systems for added protection. Preserves more vitamins, minerals and flavors. Save up to 70% energy. Easy closure system. You can cook up to 5 times faster. Thermodiffusion background "Impact-bonded bottom" triple layer, excellent heat distributor.