Alera Dalibor Series Manager Chair, Supports Up to 250 lb, 17.5" to 21.3" Seat Height, Black Seat/Back, Black BaseLumbar support, fixed ring-shaped arms enhance comfort.Assembly required. 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)