Tfal Secure Aluminum Initiatives Pressure Cooker Cookware, 6-Quart - Ergonomic handles makes opening lid easy and safe. Auto locking system for instant and secure closing. Delivers even heat distribution for reliable cooking results. 12-Psi with easy to read pressure indicator. aluminum, silver, Dishwater Safe. In box: vessel & lid, user manual. , The Secure pressure cooker has controlled release to control excessive steam pressure and an automatic locking lid when opining and closing. Works on all types of cooktops, including induction due to the exterior stainless steel construction. Generous 6 qt capacity for all size cooking needs.