... we guarantee for 3 years in normal use. Italian leather, Chinese leather, PU, second generation PU, bonded.Sizes and colors ... Italian LeatherB, Chinese LeatherC, Chinese leather top grain/splitD, Bonded Leather/PU2, Colors availablePls see the model of Leather sample, or you can send ... no mouldy and insect.B, pocketed spring in seat cushions.C, metal coil springs and fabric rubber, rust and moisture ...