Plastic seat and back:moulded by PP injection Steel stand:Mould-pressed with high quality steel plate.steel plate thickness>1.5mm Foam:High density ultra soft cold-moulding foam for seat and back Fabric:Premium specific cloth,fade resistant,anti fouling Armrest:Premium wood armrest,or high-elastcity PU or PP armrest with leather veins. Writing pad:Aluming post,MDF material or PP material. AUDITORIUM CHAIR,HALL CHAIR ,THEATER CHAIR ASSEMBLE EASILY,BEAUTIFUL OUTLOOK,PRACTICAL