Preserves vitamins and minerals which are usually lost with conventional cooking methods. . Reduces cooking time up to 70% in nowadays busy life so you will be using less energy and saving money. Reduced CO2 emissions. Body made from premium quality aluminum. 18/10 Stainless steel lid. 3 Security systems: two safety clamps, one security pressure valve and one rotating pressure valve that work independently one from the other one. Progressive lock system, which prevents opening before pressure is released. Easy grip handles. 18/10 Stainless steel trivet and steamer optional. Pots have encapsulated aluminum base for even heat distribution. Suitable for all type of surfaces.