This guide explores the best back support pillow – lumbar support pillow, how to use one and what are the benefits of using one for a chair. This pillow is perfect for anyone who suffers from lower back pain or tension, and it can also help to improve your posture when you’re sitting or lying down. If you’re looking for a back support pillow that can also be used as a chair pillow, then the Lumbar Support Pillow is the perfect option for you.