Specifications: 1)Leather options: a>Full Italian Top grain leather b>Italian top grain leather+PVC c>Italian Tip grain leather+PU d>Bi-cast leather 2)Construction:(all environmentally friendly and quality materials) a>Full dried solid hardwood frame b>Metal coil springs and fabric rubber with rust and moisture proofing treatment c>High density foam:D40-45 for cushions,D30 for back&armrest. d>Spray-bonded cotton between the leather and foam,no sagging e>UK BS5852 and USA CA117 fire retardant foam available 3)Packing a>White polyester bag middle layer+Kraft paper plastic bag outer layer b>Foam or corrugated cardboard wrapping with corner protection 4)Warranty: Two years against manufacture defect, offer lifetime consultation on problems occurred