Boss Office Products Black Contemporary Ergonomic Adjustable Height Swivel Task Chair Shower systems Bathroom drywall and dry pickup drywall and dry pickup Auto cycle ensures full press every time Contemporary ergonomic mesh back designed to provide exceptional back support and to prevent body heat and moisture build up Ratchet back with active lumbar support Height and width adjustable arms 3 Paddle multi function tilting mechanism Collection Name N A Color Finish Family Black Manufacturer Color Finish Black Back Material Mesh Seat Material Mesh Frame Material Metal Wood Species Poplar Finish Type Black Style Contemporary Trend Modern Type Task Number of Casters Wheels 5 Maximum Seat Height (Inches) 21