Alera Wrigley Series 24/7 High Performance High-Back Multifunction Task Chair, Supports 300 Lb, 17.24" To 20.55" Seat, BlackPadded adjustable-arms are width- and height-adjustable.Impact- molded plastic back shell.Five-star base with casters for easy mobility. 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)