• Fitment: Compatible with Classic Aeron Chairs (Sizes B), Classic Aeron Stools, and Classic Aeron Side Chairs. Pad adjusts vertically Range is 4 1/2"
• Made of High-quality Material: Plastic/foaming material provides excellent quality and durability. It will not deform after long-term use
• Provide Comfort and Support: This lumbar support pad is ergonomically designed to provide optimal comfort and support for the waist, relieving discomfort caused by sitting or standing for long periods of time
• Improve Posture: It will straighten and correct your posture, with utmost support along your lower back's natural arcs, thus avoid you from sitting wrong in harmful positions
• Package & Installation: 1 x Lumbar Support Pad (Smoke Gray). Chair, hardware and instructions NOT included. Snap-on installation, just slide this lumbar support pad into the track on the back of the chair. No modifications needed