Mid Back Dual Function Ergonomic Chair with Tilt Tension and Height Adjustable Arms Features: Thick Padded Seat and Back with Built-in Lumbar Support Pneumatic Seat Height Adjustment Ratchet Back Height Adjustment Dual Function Control Height Adjustable Arms Heavy Duty Nylon Base with Dual Wheel Casters Dimensions: Seat Size: 21W x 19D x 4.5T Back Size: 20W x 22H x 4T Max. Overall Size: 45H x 26W x 22.5D Arms Max Inside: 19 Arms to Floor Min.: 25.25 Seat Height Min.: 18.25 Seat Travel: 4.5 Cube: 6 Weight: 45 lbs. Limited quantities available, cobalt blue only Sale Price $149