This is a 2.5L green pressure cooker. It was a gift, and the box has been opened, but it's unused. It comes with the instruction manual, so I think you can use it without any problems. Made by the reliable Pearl Metal Co. - Capacity: 2.5L - Color: Green - Condition: Unused (in bag) Product Size Stainless steel pot: Overall length 365mm, width 205mm, height 160mm Dimensions: 18cm Capacity: 2.5l