Mesh fabric upholstery,PU aremrest can be adjusted, 3 handle function mechanism, 320mm nylon base 5326-C hot sales chair, executive chair,1)Mesh fabric upholstery, 2)PU aremrest can be adjusted, 3)3 handle function mechanism, 4)320mm nylon base, 5)one 40'HQ can be loaded 385pcs,6)warranty period: 3 years 5326-C hot sales office chair