Generally, the first layer of cowhide is called cowhide, and the second layer is called cowhide.

The first layer of cowhide is cow's skin, and the surface has the characteristics of original leather. The first layer of cowhide should be graded. First, full grain leather, then trimming leather, then soft leather, and finally broken leather. (Reference: the first layer cowhide webpage link of Baidu Encyclopedia)

Leather refers to materials that can be made into leather products after tanning, anti-corrosion and other processing. Leather made of some animal skins can be called some animal skins. For example, leather made of cowhide can be called cowhide. Therefore, leather made of some animal skins can be called some animal skins, for example, leather made of cowhide can be called cowhide. (Reference: Baidu Encyclopedia? Leather web page link)

Main differences between the first layer cowhide and cowhide: