Polyurethane Cleanroom Task Chair Weight Capacity 300 lb Material Vinyl (Antibacterial) Seat Height Range 20-1/2 in to 28 in Color Black Seat Width 18 in Seat Depth 17 in Seat Tilt Backward 9 Degrees Seat Tilt Forward 10.5 Degrees Back Height 12 in Back Width 16 1/2 in Back Tilt Backward 13.5 Degrees Back Tilt Forward 10.5 Degrees Number of Casters 0 Number of Glides 5