Product description: Volume: 11liters Material: aluminum alloy Feature: Saves energy & time for cooking and Retains nutrients Silicon gasket for maximum heat tolerance Safety valve for protection Handle with safety lock Better grip handle design Polished aluminum body Volume:11 liters What’s in the box: Instruction Manual, Aluminum Pressure Cooker Every item is tested before packing and delivery. In the event of product issue, you may reach out to us through chat and send photos of the item and packaging so we can verify the problem immediately.