Aluminum pressure cooker. Includes a safety lock mechanism, steaming tray, and cleaning rod. In excellent condition with low usage. It's an older item, so there may be some aging of the packing, but I tested it with hot water and it worked without any problems. Cleaned. - Type: Pressure Cooker - Material: Aluminum - Size: 5.5 liters - Accessories: Steaming tray - Lock Mechanism: With safety lock As there is no instruction manual, please purchase if you understand how to use it and understand that it is a stored item. Thank you for looking.