California Proposition 65: This product contains a chemical known to the State of California to cause cancer. 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 Not Applicable, Seat Tilt Forward Not Applicable, 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 5, Number of Glides 0, Foot Support Yes, Standards ANSI/BIFMA, CAL 117, Not Applicable