It is a brand new 15L aluminium pressure cooker. Explosion-proof aluminum pressure cooker High-grade polished finishing Capacity:15L Diameter:24cm Thickness:2.2mm Pressure-cooking is the fastest, most energy efficient and nutritious way to prepare family meals, tenderizing meat and preserving flavors. Up your food IQ by making meals with this aluminum pressure cooker. Cooking at a speed that's three to ten times faster and safer with this explosion proof pressure cooker.