Alera Maxxis Series Big/Tall Bonded Leather Chair, Supports 500 lb, 19.7" to 25" Seat Height, Black Seat/Back, Chrome BaseHeavy-duty chrome base and mechanism are reinforced and help to evenly distribute weight.Integral to the chair are ultra padded armrests, headrest, and bolsters.Waterfall seat edge helps to reduce pressure points at the back of the knee. WARNING: This product can expose you to Di(2-ethylhexyl)phthalate (DEHP), which is known to the State of California to cause Cancer and Birth Defect/Reproductive Harm. For more information go to www.P65Warnings.ca.gov. - Cancer:Di(2-ethylhexyl)phthalate (DEHP);;Birth Defect/Reproductive Harm:Di(2-ethylhexyl)phthalate (DEHP)