Chair Backrest Lumbar Support

The back lumbar support is a high quality chair support for maximum back support and comfort. It has a Nylon mesh construction that allows air to circulate behind you, keeping your back comfortably cool.It can be used on almost any type of seat including car seats and office chairs.It Attaches to a seat using a strong elastic strap, and can be adjusted up and down for a perfect fit.The lumbar support works by holding your back at a comfortable position that relieves muscle tension and improves posture.