1. 3003 aluminum alloy body material 2. 2 layer non-stick coating inside 3. powder coating outside 4. glass lid Heavy Gauge Non-stick Caldero with Glass Lid 1. International standard 3003 alum-alloy body material for a even and quick heat distribution. Use aluminum cooker to save much more energy. 2. Interior: 2 layer non-stick coating for cleaning, healthy and oil-free cooking. 3. Exterior: ...