Polyurethane Ergonomic Chair Weight Capacity 300 lb Material Polyurethane Seat Height Range 24-1/4 in to 34 in Color Black Seat Width 18 in Seat Depth 17 in Seat Tilt Backward 9 Degrees Seat Tilt Forward 10.5 Degrees Back Height 16 1/2 in Back Width 12 in Back Tilt Backward 13.5 Degrees Back Tilt Forward 10.5 Degrees Number of Casters 5 Number of Glides 0