Web. Use Chair Lumbar Support to Relieve Back Pain Caused by Sitting Too Long, Your Lumbar Seat Cushion is uniquely and scientifically designed to not only relieve back pain and help the spine, our seat back support can also be used as a chair posture corrector. Sturdy Car Lumbar Adjustable 2 Straps Will Secure Your Lumbar Support Chair in Place Once You Can Tighten It to Any Seat and Position It in the Exact Position Where You Need More Back Chair Support, Its Ergonomically Contoured Posture Lumbar Keeps Your Back in Great Shape! Long-lasting mesh + leather material, not just an ordinary single-layer backrest lumbar, our mesh backrest lumbar mesh support has another support pillar to maintain the arch and quality of the car lumbar mesh and your posture. The car lumbar support keeps your back cool with constant airflow from the ventilation mesh. Comfort and support your lower back - the lower back is hurt the most during long drives or when sitting at home or work. Take the mesh lumbar support with you and get support as a back pillow by easily installing it in minutes. The lumbar back support pad measures 1.2.82 inches.