This product is made from smooth tannin kipplar, which is tanned with vegetable tannins. Since it contains a large amount of oil, it has a touch feeling and is finished with moist texture. In addition, it contains 3.0mm and 2.5mm thick eco nuki leather tanned with vegetable tannins without using any substances harmful to the human body, hexavalent chromium, which is harmful to the human body. It is a series that combines the leather of different texture and is finished simple.