This is a thick-walled pressure cooker made of high-purity aluminum alloy, which has over 10 times better thermal conductivity than stainless steel. It has been used a few times and then stored, so there is some wear and tear, but overall it is in good condition. The inside is especially clean. Please check the photos. ● Full capacity: 6.0L ● Inner diameter: 23cm ● Depth: 13cm ● Rice cooking capacity (direct): 1.4L (approx. 10 cups) ● Rice cooking capacity (with inner pot): 0.84kg (approx. 8 cups) Please understand that returns are not accepted before considering your purchase.