Mesh fabric upholstery,PU aremrest can be adjusted, 3 handle function mechanism, 320mm metal coated base and nylon castor 5380 hot sales office chair, executive mesh chair:1)Mesh fabric upholstery, 2)PU aremrest can be adjusted, 3)3 handle function mechanism,4)320mm metal coated base and nylon castor, 5)Moulded Foam seat 6)Warranty period: 3 years 5380 hot sales office chair