My 4 year old sofa where the supposed real leather part is flaking. The bits that had fallen off feels rubbery. Is this considered leather or PU or Bi-cast?
http://imageshack.com/a/img922/650/YWn0RN.jpg http://imageshack.com/a/img924/1086/2SzdZb.jpg http://imageshack.com/a/img922/8343/hB2ZX6.jpg http://imageshack.com/a/img923/812/eqgkzM.jpg http://imageshack.com/a/img922/6454/gh0Otc.jpg
http://imageshack.com/a/img924/2737/N3QIlH.jpg