Materials: 1. Backrest: Grey frame with blue mesh. 2. Seat: High elastic foam wiht blue fabric cover. 3. Base: Grey nylon star base. 4. Castor: Grey nylon castors 5. Armrest: Grey plastic. Functions: 1. Mechanism: Manual-control, multi-angle tilt lock. 2. Seat height: Adjustable(up & down) 3. Backrest tension: Backrest can be adjusted to user's ideal tension.
