airport chair 1.arm style is our patent, 2.aluminum alloy chrome arm. 3.high quality steel seats. 4.Specific Use: Waiting. airport chiar1.aluminum alloy chrome arm.2.high quality steel seats.3.aluminum alloy chrome arm.owder coated seats.4. ISO Certificate.1 seat, 2 seat, 3 seat, 4 seat, 5 seat are all possible. airport chair