Nowadays, there are more and more kinds of leather bags for sale in the market. In general, the materials of leather bag can be divided into 3 kinds: real leather, regenerated leather and artificial leather.

Real leather is made of the original skin of cattle, sheep, pigs and other animals. After processing, they are made into a variety of leather products. Real leather can be divided into two categories, that is, first layer and second layer. First layer is from the grain face of the leather. Second layer is from the loose fibrous tissue face, and usually it is covered with PU film.
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