Double-sided leather products production， both inside and outside of the same material， locking fasteners for the alloy material， to do what they seem. 

quality pu leather material is second only to a leather material， the material is hierarchical order: Leather - Leather pu (Material for the four-layer structure， both positive and negative pu material) - Double-sided leather - leather pvc) please customers carefully identify the authenticity of the material.