Double faced leather products produced, and for the same kind of material locking fastener for alloy materialto be the same outside and inside

Quality of PU material is second only to the dermis of aleather materials the rank order of material: leatherleather PU (quality of a material is 4 layer structurepositive and negative for PU material) - double faced leather and leather PVC) ask the customer to identify the authenticity of the material.