Description & Specification Videos & Images Warranty Customer Reviews Manuals Description Pneumatic chair height control. Height and width adjustable black arms. High back tilt adjustment. Position tilt lock. Seat angle adjustment. Seat depth adjuster (seat slider). Large casters for carpet or hard surfaces. Dual back height adjustment. Black star base. Seat height adjustable from 18" to 21". 360?stretch fabric for a luxurious feel. Overall width: 21" Overall depth: 23" Limited lifetime warranty. Colors: Black, Blue, Gray Log in to Write a Review Name: Email: Rating: Comment: Click here for OTA Funny Video contest - Big Prizes!