VInyl fabric ergonomic chair features back pitch and height adjustment along with gas lift seat height adjustment. Built-in lumbar support with fully upholstered back. Easy to clean and maintain antibacterial/antimicrobial vinyl fabric seat and back. 7 position adjustable arms provide additional ergonomic support and comfort.Meets or exceeds ANSI/BIFMA safety standards and supports up to 250 lbs. Recommended Applications: Task, Multi-Task ,Task Intensive Seat/Back Colors: BlackErgonomic Features Functions: 360 Swivel,Pneumatic Seat Height Adjustment, pivot back and seat/back depth adjustmentArms Included: Yes