... optional.*the writing pad is optional.*the fabric is optional.*the foam is optional.hall ... /cbm,molded by cold foaming,(optional:efficient fire retardant).2. Seat: High-density ultra soft ... cbm,molded by cold foaming,(optional:efficient fire retardant)3.Shell: Premium deformation resistant high- ... beech wood armrest, 30mm thickness.6. Cloth: Fire, stain and discoloration resistant premium cloth(option).7 ...