Bovine leather and bovine skins which is better
PVC to artificial leather. Cloth (including nylon cloth and cotton) to fabric. Fabric (including cloth and nylon material) to fabric.
The first layer of leather, the first layer of patent leather to leather. The second layer of leather to leather with leather fiber.
According to the requirements of the State Light Industry Bureau [1], April 1, 2011 the implementation of the new industry logo, marking the document number: QB / T1333-2010 (backpack), QB / T2155-2010 (travel bags); logo changes are as follows
Cattle leather, including the first layer of cattle skin, cattle skin and skin leather skin. One of the best is the Ngau Tau skin, second level, the worst of renewable skin. Now some synthetic leather posing as leather, of course, is the most times
If the division by this standard, then the first layer of skin should be a cow leather, the second layer of leather can only be considered artificial leather.
