INTERION ULTRA COMFORT STOOL BLACK FABRIC THIS INTERION BY GLOBAL INDUSTRIAL FABRIC UPHOLSTERED STOOL IS QUALITY-CONSTRUCTED WITH A CONTOURED 18""W X 16-1/4""D SEAT AND 16""W X 10""H BACK DESIGN TO HELP ELIMINATE DISCOMFORT AND FATIGUE. EXTRA THICK 3-3/4'' FABRIC SEAT. 4-WAY ADJUSTABLE BACKREST FOR CUSTOMIZED SUPPORT. PNEUMATIC SEAT HEIGHT ADJUSTS FROM 21 - 25"". 18'' DIAMETER FOOT RING ALLOWS 360 DEGREE SWIVEL. THE STEEL BASE MEASURES 23-1/2"" DIAMETER OVERALL. EASY ASSEMBLY. 1-YEAR LIMITED WARRANTY. WARNING: This product can expose you to chemicals including lead which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65warnings.ca.gov -