office sofa

1) structure 1+1+3, see pictures. 2) in brown,orany other color you like. 3)made of authentic leather orPU. 4) RH kept at 8-13% and all harmful insects killedwith the woodunder steam treatment. 5)all metal parts, especially the springs are good at quality andunder rustproof treatment. 6) all the realleathers or PUsare seenwithout scars, folds, scratches or other flaws.they are sound in colour and lustre. feel good and comfortable. 7) the sponge's densityis over 35 for the sitting and is over 28 for the backing.it can be fireproof in accordance with American andBritish standards. 8) the plywood and the fiber board are environment friendly. 9) the adhesive is is strong and un-harmful to the human body. 10) packaging volume: 3.6 cubic meters.