Auditorium seating chair,conference chair,cinema seating Back High density PU Seat foam:PU foam molded with metal structure Auditorium seating chair,conference chair,cinema seating JM-5030Material:Back foam: high density, super soft, PU cold freezing and foaming into shapeSeat foam: high density, super soft, PU cold freezing and foaming spongeSeat and back case: injection molding of multi-element ...