Made to fit only the Herman Miller Aeron Chair (Classic & Remastered). Not designed for other chairs such as IKEA, Staples, Office Depot, Costco, BJ’s, Steelcase, Haworth, or other Herman Miller models Mirra, Setu, Embody, Eames, etc. Designed For Comfort – Does your neck feel sore after working all day? This lightweight headrest for office chair provides head and neck support, helping you stay in a relaxed position while you work. Set The Perfect Height – The headrest’s angle may be adjusted 36° up or down, while the neck joint may be tilted up to 76°. You may also raise the headrest’s height from 6″ to 9″, if preferred. Combines Form & Function – Using a proprietary hinge design, the headrest for chair stays firmly in place once attached to the back seat rest. It also comes with a removable hanger for coats.