Our back support pillow is adjustable to the contours of your body, making it a great lumbar support pillow while driving or working long hours. The seat cushion for office chair is of utmost relief for coccyx/tailbone pain. This sitting pad is highly recommended by orthopedic experts as it alleviates pressure on the sciatica nerve to reduce back, leg, and butt pain. Enjoy it as an office chair cushion or as a car pillow, It helps maintain a healthy body posture by absorbing some of the pressure against your body. Our lumbar support pillow for chair has adjustable elastic straps, it can also be used as a lumbar support pillow for car seat. Desk chair cushion can also work as a car seat cushion, or wheelchair cushion.