Studio Designs Futura Chair in Pewter 10657 Overall Dimensions: 23"W X 23"D x 32.5"-37.25"H Unique Contemporary Design Pneumatic Seat Height Adjustment :18" to 23"High Five Star Metal Base Casters for Mobility, Meets / Exceeds ANSI-BIFMA Standards Overall Dimensions: 23"W X 23"D x 32.5"-37.25"H Unique Contemporary Design Pneumatic Seat Height Adjustment :18" to 23"High Five Star Metal Base Casters for Mobility, Meets/Exceeds ANSI-BIFMA Standards