The inside of the end is usually lacquered. Depending on customer requirements and final application, the interior lacquer type can be EPOXY and BPANI, The color of the interior lacquer can be golden or clear. All lacquers we use are approved by relevant authorities. There is a sealing layer inside, which can enhance the sealing of cans. Lid with with pulling ring, easy to open. Well treated surface and smooth edges without hurting hands.