Comfortable back support: mesh back support with massage granules, provide massage function, make you feel stinging, and can effectively relieve your back/waist stiffness Easy installation: office chair backrest is lightweight, easy to carry. Mesh back support with elastic strap, can be installed in minutes, and attach the mesh lumbar support to an office chair/car seatBack support for office chair: With the adjustable belt, this chair back cushion is very easy to install and suitable for almost all types of seats, including car, home, school, office chairs, etc. Ergonomic design: our office chair back support can keep your spine aligned and help to relieve pressure on your spine, lower back while working or relaxing, relieve back pain and correct posture After-Sales Service: You will get 100% customer support and quality assurance from this lumbar pillow. For a better shopping experience, if you have any questions, please feel free to contact us Product DescriptionAstotsell Back