* Black one-piece back headrest PA+25% glass fiber
* Ergonomic full mesh chair, up and down adjustable lumbar support
* Nano-grade anti-fouling Korea Entestnet
* Black PA nylon mesh frame
* Black 3D lift armrest/PU armrest surface
* 25# tube 2.0 thickness tube wall/sleeve 19 tube 1.5 thickness (total thickness of tube wall 3.5)
* Sand-grain gray lacquer bow frame, new gray design patented foot pad, new PP+ fiber integrated molding, fixed by 304 stainless steel rivets, to avoid hydrochloric acid rust and scratches on tile/wood floors