Detailed description "
1.a. leather options   full italian top grain leather       b.  full italian top grain leather+pu   c.  full italian top grain leather +pvc        
2. construction :all environmentally friendly and quality materials    full dried solid hardwood frame  .
3. metal coil springs and fabric rubber with rust and moisture proofing treatment   

4. High density foam :D40-45for cushion ,D30 for back/armrest  spray-bonded cotton between the leather and foam ,no sagging .    fire retardant foam available    

5. warranty : three years against manufacture defect ,offer lifetime consultation on problem  occured .