Material:Superior quality PU leather, thickness:1.0~1.1mmFoam:High resilience pure foam, resilience rate≥37%; tensile strength≥120kpa;Anti oxidation,low flammability, 
5 years not disformedCushion: Removable,splitFrame:Imported pine white solid wooden frameArmrest:25 mm smooth plywood + fine chrome stainless steel decrotive stripSpring:High strength spring,dia:3.8mmBottom:Black fabric clothPackage:EPE bag for inner layer ( moisture-proof and anti-dust) Woven bag for outter layer