SPACE Seating Professional Light Air Grid Back Chair with Eco Leather Seat, Black Breathable Light Air Grid Seat and Back with Adjustable Lumbar Support Pneumatic Seat Height Adjustment 2-to-1 Synchrony Tilt Control with Adjustable Tilt Tension Thick Padded Eco Leather Seat Platinum Finish Flip Up Arms Breathable Light Air Grid Seat and Back with Adjustable Lumbar Support Pneumatic Seat Height Adjustment 2-to-1 Synchrony Tilt Control with Adjustable Tilt Tension Thick Padded Eco Leather Seat Platinum Finish Flip Up Arms