Material:Fabric Appearance:Modern Folded:No Mesh:Best mesh in Asia Mechanism:Strong lifting mechanism Gas lift:SHS Class 4, Top class in the world Armrest:strong fixed arm, support 65KG!!!! Base:325mm nylon base Castor:Anti-abrasion PU castor Certificate:SGS.BIFMA color:changeable warranty:3 years Fabric:TB117-2013 certificated, fire retardant Show More