Alera Kesson Series Petite Office Chair, Supports Up To 300 Lb, 17.71" To 21.65" Seat Height, BlackHeight-adjustable T-arms are padded for further support and comfort.Swivel/tilt mechanism for easy adjustment. 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)