Genuine leather is the use of animal skin production and processing, the concept of artificial leather as opposed to the artificial use of chemical fiber materials made. Genuine leather is generally referred to as first layer leather, second layer leather, and synthetic leather. The price of the three kinds of leather in decreasing order.
Genuine leather surface has clearer pores, pattern, yellow cowhide has more proportional fine pores, yak skin has thicker and sparse pores, goat skin has fish scale pores. Leather surface with or without pores, which is an important feature to identify leather real or fake.
Nappa leather is also known as the first layer of cowhide, cowhide head layer of leather, cow head layer of leather and so on. It is to raw cowhide after chemical treatment and physical processing into
