Pigeon Calida Classic 5 L Inner Lid Induction Bottom Pressure Cooker (Aluminium) Anti-Deflecting Bottom This cooker comes with an anti-deflecting base that maximizes heat supply. Strong and Sturdy Body Made from best quality aluminium, this cooker ensures long-lasting durability. Gasket Release System For additional safety and smooth release of excess pressure, this cooker is designed with a gasket release system. Safety, Weight Valve In addition, this cooker comes with a safety, weight valve that provides a backup escape route for excess pressure. Food Grade Rubber Gasket The gasket used in this cooker is made using food grade rubber material to ensure a tight seal.