Leather is divided into head layer cowhide and two layer cowhide, head layer cowhide in the industry logo is called cow leather. The first layer of cowhide is the first layer of cowhide on the cow, the surface of the skin has the original skin characteristics. The first layer of cowhide is located in the outermost layer of the surface of the cowhide, the leather has flexibility, finish, and has different thickness. The first layer of skin is divided into calf skin, grained leather, soft surface leather, etc..
Calfskin is the skin of two to three-year-old calves. Pores smaller than large cattle, strong tensile strength, soft and smooth leather, because of its scarce production, so more for the production of smaller leather goods, authentic calf skin with a magnifying glass to observe the surface pores are clearly visible, with the hand pull open can also see the surface pores. Calfskin because the pores of the grain is small and clear is the highest grade varieties of cowhide.
Grainy leather belongs to the leather in the more high-grade materials. The surface of the grained leather also has a layer of natural wax feeling, grained leather grain more clear that the higher grade. Grain leather is more glossy, leather is more tender and smooth.
Soft leather belongs to the leather in the middle grade material. Generally soft leather brightness than grain leather is a little worse. Soft surface leather has a very deep sense of flesh. Soft surface leather is better to distinguish, the price is also lower than grain leather.