Modern Barcelona Wooden Frame Chair With Ottoman 1,Tight sofa upholstery 2,Solid wood inner structure ... sofa elastic, and feel comfortable.Surface material: selected natural aniline leather, vatica astrotricha Frame: solid wood,MDF Leg: solid wood, ... fittings: S shape spring, natural rubber bandage. Chair seat, back seat and chair arm: long range elasticity polyurethane, natural emulsion, natural ...