Alera Wrigley Series 24/7 High Performance Mid-Back Multifunction Task Chair, Supports Up To 275 Lb, Gray, Black BasePadded slant, T-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)