1.Seat/Back foam:High-density ultra soft cold-moulding foam.2.Frame andstand:using hollow blow molding craft3.Fabric:PU,PVC,or top leather and so on4.Armrest:oaken or beech armrests5.Writing pad:Fixed in back,MDF materialor PP material6.color is availableProduct character:Hidden computer shelf and socket,wire box Multi-functional auditorium chairAuditorium chair,hall chair,theater chair