Homycasa Ergonomic Mesh Mid-back Office Task Adjustable Executive Computer Chair Pad Arms(Black) Ergonomic office chair upholstered in soft leather with padded arms. Smooth Tilt and Lock function lets the user relax securely. Padded seat and back for all-day comfort and support. Pneumatic seat-height adjustment; 360-degree swivel casters. Heavy Duty Chrome Base with Dual Wheel Carpet Casters.