Kuhn Rikon 3914 features New integrated, precision spring-loaded, easy-select, pressure control lid. Five over-pressure safety systems listed. Integrated automatic locking system. 18/10 stainless steel will not interact with food and is dishwasher safe. Solid thermal aluminum sandwich for even browning and rapid heat absorption. Stainless steel steaming plate. User-friendly operation. Interior fill lines. 10-year warrantee on all non-replaceable parts, material and workmanship.