Modern office sectional leather sofa, brown or in any other colour, can be made of PU or fabric. 1) structure 1+1+3, see ... other color you like.3)made of authentic leather or PU.4) RH kept at 8-13% and all harmful ... rustproof treatment.6) all the real leathers or PUs are seen without scars, folds, scratches or other flaws. they are sound in ...